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Zhengzhou Deao Science & Technology Co., Ltd.


The advantages of use professional screen changer:

1. Plate screen changer: high-pressure, high wear-proof, no material leakage, no change of surface clearance, applicable to high pressure production like: blow film, pipe, plate and granulating, etc.

2. Double pillar screen changer: dual channels for filtration, no need to stop the working machine when changing the screen, no production interrupt, appropriate for the production of cast film, plate and sheet, etc.

3. Mesh belt screen changer: automatically and continuous screen replacement without manual operation, no fluctuation of material flow, used for the cast film, sheet, plate, optical fiber, various drawings, granulators and other products of high quality and long production process ..

4. Backflush screen changer: initiative internationally, advanced technology, high production and high efficiency, screen washing online available, more than 200 times of usage of the filtering screen , no production interrupts, suitable for high-end equipment production of high output and large filtering area.

5. Continuous screen changer: ensure the screen changing without machine halt or production interrupt, especially applicable to foaming plate products such as XPS, EPS, EPE and cast film.

Widely used for:

1. Extruders (Plastic Extruder, Cast Film, Blown Film Extruder, etc)

2. Plastic pipe production line

3. Pipe,PA, PET and PVC sheet extrusion lines

4. Pelletizer,Granulation, Non-woven, Plastic recycling and Monofilament machine

Zhengzhou Deao Science & Technology Co., Ltd. specializes in manufacturing of continuous screen changers and melt pumps. With 20-plus years of R&D experience, our production technology is in the advanced level in the industry. Besides, our New Impulses Filtration Systems was invented and obtained an international patent in 2007. During these years, our company has been appraised as a high-tech enterprise, Zhengzhou Pilot Project of Patent Company as well as a Key Service Institution, Science and Technology Innovation Project and Key Technology R&D Program in Henan Province.

Meanwhile we are ISO9001:2000 certified. All the patterns of screen changers ranging from double-piston, plate, and belt to backflush style replacing the screen without stopping the machine. They have features as no leakage, simple operation, improving productivity and energy saving. Simultaneously, they can also be applied to the production of a variety of raw materials.

As the initiator of new screen changer in China, We are specialized in the research and manufacturing of melt filtration device for more than 20 years. With strong scientific research team and mature technology; hold many international and national invention patents.

Our items can not only filter impurities, but also can greatly improve the plasticizing and homogenization effect of the raw material, make the product structure more homogeneous and product surface smoothness and quality much better, energy-saving and consumption-reducing, output- increasing and labor-saving.

Our firm aims at the motivation of scientific and technological innovation, striving for excellence, good faith, and services for clients with the heart and soul.

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Contact Details

Contact person:Maggie van

Country:China (Mainland)



Street address: No. 12, Guohuai Street, High-Tech Zone, Zhengzhou, Henan, China (Mainland)




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