Dry type fish feed extruder machine is a single screw extruder suitable for processing various fish extruded feeds. The processing is simple and the cost is low. Therefore, dry fish feed extruder has high economy and efficiency in processing many fish feed raw materials.
RICHI MACHINERY
As a global leader in extrusion technology for over 30 years, RICHI Machineryinvests heavily in research and development. Our experienced engineering staff is continually looking for new metallurgical and processing advancements that will increase the performance and efficiency of our fish feed processing systems and replacement parts. Our innovation is utilized within multiple industries including aqua feed, pet food, poultry & livestock feed, grain and related extrusion products industries..
At RICHI Machinery, you’ll find a team of professionals committed to developing the next generation of processing equipment for the aqua feed and pet food industries. It's a diversified corporation with personnel specializing in fields of expertise that include extrusion technology, feed & food science, production management, international business, engineering, plant design and more.
0.2-1 T/H
Capacity
37-90 KW
Power
Extruded Feed
product type
0.5-50mm
Pellet size
RICHI MACHINERY
Unique dry type fish feed extruder machine features allow precise control of finished product density for floating and sinking feeds. The operator can also adjust operating conditions to control textural properties, such as oil uptake during the external coating process. Our fish feed extruder machine can produce aquatic feeds ranging in pellet size from 0.5 to 50 mm.
RICHI Machinery is a dry type fish feed extruder machine manufacturer that specializes in the floating fish feed, sinking fish feed and slow-sinking fish feed and processing technology. While improving the digestibility of the final feed for higher conversion, our fish feed machine is very economical. This is the ultimate revolution of aquaculture with a focus on maximum profitability while allowing quick conversion of the whole feed.
application:
Extruded Fish Feed
Extruded Pet Food
Extruded Shrimp Feed
Extruded Livestock Feed & Poultry Feed
Applicable customers:
Aqua Feed Plant
Aquaculture Farm
Small Animal Feed Mills
Investor
Dry type fish feed extruder machine is not only suitable for the production of fish feed, shrimp feed, pet feed and livestock feed, but also can be used in the fields of medicine, food, plastics and chemicals to make tablet granules, capsule filling granules, granules for food manufacturing, seasoning granules, various plastic molding granules, as well as granules such as catalysts, pigments, detergents, etc.
RICHI MACHINERY
The single screw dry type fish feed extruder machine has a relatively simple structure and a relatively low price. It was developed earlier, the technology is relatively mature, and the equipment is stable. It has been used as the main equipment in the production of extruded aquatic feed for more than 40 years and is widely used in the production of low-protein adult fish feed for tilapia, grass carp, carp, etc.
In addition, in the production of low-grade feed such as pond mixed fish feed, the single screw extruder has obvious advantages. The raw materials do not need to be ultra-fine powdered, and 95% of the particle size can pass 30-50 mesh, which greatly reduces the equipment investment cost and improves production efficiency.
The internationally advanced pelletizing structure adopts a soft knife fitting form to achieve stepless speed change, and can cut the output material into the required length products at will, and it is not easy to produce burrs.
The screw sleeve and screw are made of special wear-resistant and high-temperature resistant alloy steel materials, and are formed by heat treatment, which has the advantages of wear resistance and long life.
It can produce sinking aquatic and poultry pellet feeds, which can eliminate most of the toxins and anti-nutritional factors of antitrypsin and urease contained in the material, which is beneficial to the digestion and absorption of animals.
It is equipped with a unique booster die device to ensure the feed production and quality; and it is equipped with an electric heating device to improve the feed expansion rate.
The discharge template is easy to replace. If you need feed with different apertures, you only need to replace the required aperture template.
The floating pelletized feed produced can float on the water surface for at least 12 hours without being dispersed.
Speed-adjustable feeding device, more convenient operation, uniform feeding, and prevents machine jam
The design is novel and unique, the structure is simple, easy to install and disassemble, and easy to operate.
Widely used in feed raw materials extruded treatment, such as soybean, corn, bean pulp and sheeted suckling pig feed production, aslo used for special materials treatment, like rice husk and blood meal.
The working principle of the dry fish feed extruder is to push the material into the mold through the extrusion screw to form it. During the extrusion process, the material is heated, and the internal moisture evaporates to form air pockets, which expands its volume and forms a uniform shape.
Extrusion is a process in which the food is not only compressed, as in pelletization, but also ‘cooked’, which is why it requires higher levels of moisture, temperature and pressure than pelletization. All these requirements must be met to achieve the desired degree of expansion when it leaves the extruder. The gelatinized starch acts as a glue and this enables increased integrity of feeds during storage, handling, and when cast in water. Protein and fiber also contributes to the binding of pellets, though to a much lower extent as compared to starch.
At present, we can provide three models of dry fish feed extruder: DGP-90B, DGP-120B and DGP-160B, with a minimum output of 200kg/h and a maximum output of 1 ton. If you want a fish feed extruder with a larger output, you can check out our wet fish feed extruder and twin-screw fish feed extruder.
| Model | DGP-90B | DGP-120B | DGP-160B |
| Main Motor Power(kw) | 37 | 55 | 90 |
| Feeder Power(kw) | 0.75 | 202 | 3 |
| Cutter Power(kw) | 0.55 | 1.1 | 1.5 |
| Screw Diameter(mm) | 90 | 120 | 160 |
| Machine Size(mm) | 2100*1450*1350 | 2400*1950*1600 | 3100*2650*1800 |
| Capacity(t/h) | 0.2-0.4 | 0.5-0.6 | 0.8-1.0 |
High Output
Stable Operation
High Efficiency
Long Trouble-Free Time
Energy Saving
The followings are two videos about the operation of our dry type fish feed extruder machines. Since we have many fish feed extruder cases, it also means that we have a lot of extruder operation videos to share with you.
In aquaculture, high-quality fish feed is the key to ensure the healthy growth of fish. If you want to carry out fish feed processing, a dry extruder is obviously not enough, because the extruder can only complete the extrusion function, but lacks a series of processes such as raw material crushing, mixing, drying, etc. Therefore, the processing process of fish feed is a scientific and complex process, involving multiple links such as raw material selection, pretreatment, mixing, granulation, drying, cooling and packaging. Below, we will discuss this process in detail.
1
First of all, the selection of raw materials is the basis of feed quality. The main raw materials for fish feed include protein sources (such as fish meal, soybean meal), carbohydrate sources (such as corn, wheat), fat sources (such as fish oil, vegetable oil), vitamins and minerals, etc. Each raw material needs to be strictly inspected to ensure its nutritional value and safety.
2
Raw material pretreatment mainly includes screening, crushing and conditioning. Screening is to remove impurities, and crushing is to improve the mixing uniformity and granulation effect of raw materials. Conditioning is to gelatinize the starch in the raw materials through steam heating to improve the digestion and absorption rate of feed.
3
During the mixing stage, various raw materials are accurately proportioned according to the formula ratio and evenly mixed by the fish feed mixer to ensure that the nutritional content of each grain of feed is consistent.
4
The mixed materials enter the dry type fish feed extruder machine and are made into fish feed pellets through high temperature and high pressure. This process can increase feed density, and improve the safety of the feed.
5
The extruded fish feed needs to be dried to reduce the moisture content and prevent the feed from getting moldy and deteriorating. Subsequently, the feed is cooled to room temperature by a cooler to maintain the stability of the feed.
6
The dried and cooled extruded fish pellet feed is screened to grade particles of different sizes to ensure the uniformity of the fish feed. Unqualified particles will be re-extruded. This process ensures the uniformity of feed quality.
7
Finally, in order to increase the preservation and nutritional value of the feed, some oil and vitamins are usually sprayed on the surface of the feed.
8
The finished fish feed is quantitatively packaged by an automatic packaging machine to complete the entire processing process. This section is optional.
We design and manufacture all the key processing technology necessary for complete fish feed plant solutions for the aqua feed industry. We not only provide dry type fish feed extruder machine system, but also single screw wet extruders and high-tech twin screw extruder systems.
Using our distinctively designed equipment for fine-grinding and extrusion/pelleting, you can create the specialized feed required for fish, shrimp, and other aquatic animals. From extra long-term conditioners to special die configurations to provide optimum water stability, we offer equipment and solutions specifically designed for the unique aquaculture industry.
We design facilities that are maintenance-friendly, scalable for future expansion, and compliant with the latest industry standards for feed quality and safety.
RICHI Machinery is your partner in designing and delivering full fish feed extrusion systems, from concept to commissioning. Our wet and dry fish feed production line solutions cover every step of the process.
Sinking to floating. Sub-millimeter to pellet. When you select an Extrusion Processing System from RICHI MACHINERY, you have a complete Universe with the ability to maintain size yields over 95%. As your business evolves, you have the flexibility to change your finished product without the need for significant capital expenditures. In an industry where aquafeed can represent 50% of your operation cost, don't gamble. Contact RICHI and optimize your flexibility and profitability.
Optimize the return on your capital investment with a single screw & twin screw fish feed extrusion system. Buy one system and cost-effectively deliver product to multiple market opportunities.
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Contact us for more dry type fish feed extruder machine and aqua feed machine information.
high efficiency, and excellent performance
high efficiency, and excellent performance
high efficiency, and excellent performance
high efficiency, and excellent performance
high efficiency, and excellent performance
Consultation and Definitions
With over 30 years of experience, we can identify issues and provide effective solutions in your pellet production lines. We can advise on a consultancy basis whether you have questions about the right solution for your problem, or simply want to better understand the options available to you.
Project Planning and Budgeting
When we begin a new design-build fish feed mill plant construction project, our team will plan out and analyze every aspect of the proposed design to make sure it will elevate your current business model and address specific concerns in the fish feed production process.
Design and Engineering
RICHI team manages every aspect of the pellet plant build process, including the design, planning, engineering, and construction of your new system. With expertise across the agricultural, industrial and manufacturing industries, we can create a custom solution for your facility.
Equipment Manufacturing
Our self-designed and manufactured equipment and products are all made to meet the regulations and quality requirements of various countries, which applies to the execution of different types of animal aqua feed mill plants and pellet plants.
Equipment delivery
RICHI MACHINERY has been working hard to make every detail perfect, especially in the equipment preparation and shipment stage. In the equipment packing and packaging, we use professional packaging and modular solutions to ensure the safe and damage-free delivery of the equipment.
Fabrication Services
We offer comprehensive steel detailing and drafting services, encompassing detailed drawings, erection plans, shop drawings, isometric details, fabrication cut sheets, weld procedures, quality control documentation, and powder coating.
Equipment Installation
According to customer needs, Richi Machinery installation engineers will guide the construction of site infrastructure, equipment installation and commissioning, and trial operation of the entire pellet production line.
Maintenance & Support
With continually rising demand and quality standards, many pellet manufcturers are struggling to cope and have significant engineering challenges. Timely repairs and maintenance are critical to avoid costly downtime and disruption.
Evaluation
Design
Manufacturing
Delivery
Engineering
Installation
Training
Automation
You must have many questions about our dry extruder, please feel free to contact us, our technical consultants will answer your questions as soon as possible!
The dry type fish feed extruder price is usually between 5000-30000 USD. This type of equipment is the smallest and cheapest feed extruder of RICHI.
Due to the differences in structural features and materials used, the service life of fish feed extrusion machines from different manufacturers is also different. Therefore, when selecting an dry type fish feed extruder machine, special attention should be paid to the wear resistance of some vulnerable parts, as well as whether its structural design is reasonable and whether it can achieve the purpose of reducing screw wear.
In addition, when selecting a fish feed extruder, it is also necessary to consider whether the machine can truly achieve the purpose of energy saving and consumption reduction. For raw materials that have not been ultra-finely powdered, the wear of its vulnerable parts will be more serious, especially for twin-screw fish feed extrusion machines. In this case, it is more reasonable to use a single-screw fish feed extruder machine.
When building a new aquatic feed processing plant or renovating the original feed production line, the first thing to consider when selecting an extruder is its type. Choose a matching extruder according to the feed production capacity; especially when renovating an old plant, it should also consider whether the production capacity of the original crusher, dryer, and cooler is sufficient. Several issues should be considered when selecting.
For aquatic feed, a good extrusion effect means a particle formation rate of more than 99%, a particle powdering rate of less than 1%, a particle floating rate (sinking rate) of 100%, uniform particle size and color, and good water resistance; floating aquatic feed can be kept in water for 10 hours, and sinking aquatic feed can be kept in water for 3 hours without disintegration, etc.
However, because the feed technology of aquatic extruded feed is relatively more complicated than the hard pellet feed production technology, there will be situations in the actual production process: the same feed formula can be applied to the hard pellet production line, but the product cannot be processed in the extruded production line; the same feed formula is extruded Feed performance is not as good as hard pellet feed.
The reason is that the temperature during the granulation process of extruder line for fish feed making is as high as 120-150℃, and the functions of most heat-sensitive vitamins, enzyme preparations and microbial preparations are destroyed during the whole process of high temperature, high pressure and humidity; in addition, some reducing sugars and free lysine in the raw materials will be beautiful. The rader reaction reduces the utilization rate of part of the protein.
From the perspective of formula technology, the extruded feed can adjust the density and shape of the feed, and can adapt to the rich aquaculture species. At the same time, the extruded process of feed mills improves the digestion and absorption rate of some raw materials, which makes the fish feed formula selection space and width wider, but on the other hand, the extruded feed is complicated. The feed production technology also puts forward higher requirements on the raw materials.
The moisture content of raw materials entering the machine refers to the moisture content of the materials when they enter the extrusion chamber. This parameter has an impact on output, power consumption, product quality, equipment service life and the working stability of the extruder. As the moisture content of the materials increases, the steam cost and drying cost increase accordingly.
The increase in moisture content can soften the materials and reduce the friction resistance of the materials to the equipment, thereby reducing the driving force requirements for the screw and reducing the wear of the wearing parts.
In addition, the cost required to increase the temperature of the materials by steam is much lower than the cost required to generate heat through friction by mechanical energy.
Therefore, when the moisture content of the materials is less than 20%, increasing the moisture content will cause the system operating cost to decline in a straight line. When the moisture content of the materials reaches 25%, increasing the moisture content will no longer have a significant effect on the driving energy consumption and wear, and the system operating cost tends to be stable.
The powdering rate, water resistance, nutrient retention rate of feed products, adaptability to changes in raw material composition during processing and equipment production capacity are summarized as quantitative indicators, which are called product characteristics. Product characteristics are also closely related to the moisture content of the materials.
It can be concluded from the changing patterns of system operating costs and product characteristics that material moisture content of 22% to 31% is the appropriate operating parameter for the fish feed extruder.
Density control mechanism The density of extruded aquatic feed is less than the density of aquaculture water, and the feed floats on the water surface. The higher the feed density is than the water density, the faster the feed sinks. The density of extruded aquatic feed is controlled by internal and external factors. The internal factor is the nature of the material itself.
The higher the content of the components that are difficult to form a network structure in the raw material, the greater the product density. The external factor is the extrusion process of the dry type fish feed extruder, especially the conditions provided near the exit of the extruder. Before the material enters the template, the lower the temperature and the lower the pressure, the higher the product density.
The formula requires starch to provide energy for animals and is also a necessary molding and shape-preserving material for feed products. Starch raw materials are indispensable for the production of sinking feed or floating feed, and starch can easily form a network structure after gelatinization, which reduces the product density.
Therefore, the product density can be adjusted to a large extent by changing the starch content. For the single-screw extruder with better performance at present, when producing floating feed, the starch content in the raw material should not be less than 18%, and when producing sinking feed, the starch content in the raw material should not be higher than 20%.
The first thing you need to know is that floating fish pellets must use a fish feed extruder for floating feed, while sinking fish feed can use a sinking fish feed extruder machine or a fish pellet machine.
About floating fish feed pellets：
Floating feed for fish are more expensive to buy and more expensive for fish feed manufacturing units to manufacture. Floating pellet fish food (also known as expanded or extruded pellets) require to go through an floating fish feed extruder machine extrusion process during fish feed mill processing. This section of a floating fish feed plant is most of the time costly to set-up and run than a standard pelleting section.
They are usually used in larger underlings, food fish and broodfish. Floating on the surface of the water (usually maintaining integrity in the water for several hours), the fish must come up to the surface to eat. This enables you to observe your fish each day, which helps in monitoring their health and vigor. Also you can adjust the amount of feed per day and avoid wasted feed and pond pollution problems.
While there is still some debate, extruded floating fish feed made by electric fish feed extruder machine is still prefered in some cases. And although it is more expensive you can reduce feed costs and still have the advantage of observing your fish by mixing 15 percent floating feed for fish with 85 percent sinking fish food.
About fish sinking pellets
Sinking fish food pellets made by fish feed pellets extruder or fish feed pellet machine also know as a hard pellet, are more economical. Sinking fish feed will have water stability of up to an hour, and will gradually sink and settle on the bottom if uneaten.
Since ingredients are pressed togetherm it makes it impossible for the fish to selectively eat the ingedients they want. Sinking fish food for ponds are adapted to mechanical feeding and can be handled considerably without deterioration.
Sinking feed for fish are sometimes used in winter when the fish do not regularly surface. Also by pelleting some feeds with fish feed pelleting machine, it can be avoided to harm some ingredients which do not like the extrusion process of pellet extruder machine for fish feed .
Fish Feed Production Line
For processing fish and shrimp feed
Biomass Pellet Production Line
For processing agricultural waste pellets
Wood Pellet Production Line
For processing forestry waste pellets
Animal Feed Production Line
For processing livestock and pet feed
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Our aqua feed machine and pellet production line solutions are crafted to produce feed that complies with the highest environmental and safety standards, offering a sustainable alternative to traditional aviation fuels.
We are your specialist for tailor-made auqa feed machines and aqua feed production lines. Our company combines the best of long-standing experience and comprehensive expertise to meet your individual requirements.
As your reliable partner, we rely not only on state-of-the-art aqua feed process plant technologies but also on a dedicated team that passionately commits to implementing your process engineering requirements.
Meet global product demands and quality standards with industry-leading pellet plant design, engineering, equipment, and construction services for pellet processors.
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2000+ cases
RICHI is the leading designer, manufacturer and builder of pellet plants in the world, completing over 2000 projects in 140 countries across 6 continents.
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Our line of aqua feed equipment from pelleting, extruding, crushing, mixing, drying, cooling, screening, cleaning, spraying, cooling, conveying, storage and packaging, combined with an in-depth understanding of your business, delivers maximized growth and value.
For nearly 30 years, RICHI Machinery has had the opportunity to work with a variety of industries – learning the complexities of diverse materials, navigating unique industry challenges, and discovering innovative pellet plant solutions along the way. Whether you work with feed, biomass, wood, organic fertilizer or cat litter products, RICHI is committed to being your partner in innovation, success, and operational excellence.
ANIMAL FEED
BIOMASS
WOOD
ORGANIC FERTILIZER
AQUA FEED
CAT LITTER
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SPECIAL PELLET PRODUCTION
Founded in 1995, RICHI Machinery began as a pellet machine manufacturer and pellet plant system provider that steadily grew into the comprehensive service and equipment provider it is today. We pride ourselves on the knowledge and skill that each team member possesses – from our technical sales team to our process design engineers. You can count on RICHI to take your operation to the next level of success.
Learn MoreWith our expert team, we precisely implement your process engineering requirements in pellet mill and pelletizing plant systems. No matter which industry you’re in – we understand your needs and deliver solutions that meet the highest standards.
At RICHI, quality comes first. Our pellet making machine and related pellet line equipment undergo rigorous quality controls to ensure they meet the highest standards. Rely on products that are durable, safe, and efficient.
With decades of experience in pellet machine and pellet production line production, we have earned a reputation as a trusted partner in various industries. Our expertise allows us to cover a wide range of applications.
Not only do we offer premium pelleting equipment, but we are also experts at designing, building, installing, and maintaining facilities from the ground up. Our expertise is within pellt plant process design, discovering the most efficient, productive, and profitable way to handle your materials in an end-to-end cycle.
We're here to answer any questions you may have and help you realize the future.
Aquatic feed machine includes various extruders, mixers, crushers, granulators, dryers, coating machines, coolers, screeners, balers, etc. Obviously, the prices of these equipment are different. For example, the price of an extruder is usually between 2,800-200,000 USD, and the price difference from a single-screw extruder to a twin-screw extruder is very large.
If you want to inquire about the price of aquatic feed making machines, you can tell us the output and type of equipment you need, and our consultant will send you detailed equipment information and quotation. If you are not sure about the output of the equipment you need, you can tell us your budget and we will provide you with the corresponding equipment information.
RICHI Machinery applied a 3D design program to simulate the process flow, to reduce the time and money needed while manufacturing machines, constructing machine towers, and machines installation.
RICHI Machinery today is the industry-leading aqua feed machine solution provider; we manufacture patented twin extruder, industry best sold pellet mill, mesh belt dryer machine, etc. We provide one-stop service which includes: R&D Prototyping, Training, Consultancy, Turnkey solution, Single Machine, and Spare Parts that helped our customers always stay one step ahead in the market.
At RICHI Machinery, we understand that innovation grows from collective wisdom and experience. RICHI's Research and Development Cente, an extrusion research lab, fosters an environment of innovation through open experimentation: providing direct hands-on access to industry experts and machinery. We can develop the competitive and innovative product with you.
RICHI Machinery has completed over 200 aqua feed production projects in 43 countries since 1995. We have enabled our customers to rapidly grow by using our aqua feed mill machines and complete plant solutions. These customers included the top 10 leading feed companies in global.
RICHI MACHINERY offers technical support for every step of your aqua feed mill construction process and aqua feed production process. Our consultancy includes feed plant management, formulation, quality control, and operator training. The scheduled onsite or online service is available for our customers. RICHI actively organizing technical seminars and training courses to share the latest technology and new ideas for process solutions.
Technical supports can be provided on-time when question or problem is occurred. Please call us or contact us via internet, our experienced engineers will work with you to solve the problem, or our nearest engineer can visit the site to offer onsite consultation or technical supervision.
High quality spare parts is essential to maintain equipment at its prime performance. RICHI Machinery understands customers have strong demands for wear parts that attain on-time delivery and supreme quality. RICHI takes relentless efforts to develop new material systems for all wear parts for longer life span and installs modern production systems to support on-time delivery. All the efforts will in result to give customers minimized downtime and product costs.
RICHI offers machine layout and structure design drawings according to customer requests. We always designed the most optimum design conforming to the local safety regulation of the country. You can also use these drawings for communication with the local contractor during construction.
We help feed manufacturers successfully take control over aquaculture feed production and hereby ensure healthier fish. We do that by providing RICHI aqua feed making machines that makes up complete, customised solutions from mixing and grinding to sifting, extruding, shaping, drying and coating/cooling feed pellets for various species, match fish feeding habits, and ensure optimum health and feed conversion rates.
Our aquaculture feed manufacturing plants are designed to produce auqa pellets in wide diversification in physical properties, shape and density to feed various fish species. Special feed options like for marine fish or shrimp are of course available upon request. The aqua shrimp fish feed processing plants are made up from modules combined with focus on simplicity in operation, energy efficiency, flexibility in processes, high controllability and traceability.
In addition, civil engineering plans, overall plant design, functional area division and layout are also our work.
A RICHI aqua feed machine solution is future-proof and can be scaled by adding extra modules as your needs for a higher production may increase.
The features of aqua feeds are that the crush fineness is small (about 60-100 mesh), the curing degree is high, with high oil content (The refueling way is the combination of mixer, extruder and coating three ways), the diameter size of finish pellets is large (about 0.6-20mm).
This aqua feed mill plant adopts first grinding process, first dosing & mixing process, second pulverizing system, second mixing process, extruding and pelleting process, drying & cooling process, coating process, screening & bagging process.
Superior feed quality ensures the most profitable operation, health and feed conversion rate for your farmed fish. Our aqua feed machine solutions provides complete control over the entire process so you can produce fish feed of the highest quality.
Furthermore a RICHI solution minimize the environmental impact due to less energy consumption, less feed waste and less transportion of feed and feed stuff. Nature's resources are best preserved when feed production, feeding and storage of feed is done responsibly, ensuring a minimum of waste in all phases of the value chain.
If you are a small and mid- to large-size fish farmer or established conventional aqua feed producer you may benefit from establishing your own aquaculture feed production based on high-performing standardized aqua feed processing plants from RICHI Machinery.
If you need further information, please contact us
RICHI is a company made up of individuals that present themselves in a very professional manner in their project work execution, very organized in all activities, client support, quality of work presented to client, ownership of work, schedule driven tasks, thinking out of the box to achieve scheduled dates and other excellent qualities.
Alexandra
Project Manager——From Moscow, Russia
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