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ZHOUSHAN QUNYING PLASTIC MACHINERY MANUFACTORY is professional

China Screw And Barrels Manufacturers and PVC Screws Barrels Wholesalers

,we manufacture extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel,PVC Screws Barrels and other various types of screw barrel. At present, Qunying SCREW have a professional design experienced production team. We are located in east of Zhoushan city, zhejiang province, close to Shanghai, Ningbo port.
ZHOUSHAN QUNYING SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel…

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Gap standard between screw and barrel
21-09-2019
Choose a screw that is more suitable for the plastic used, so that the plastic achieves a better mixed melt state. Appropriate information on the plastic properties can be requeste...
Development direction of single screw extruder
12-09-2019
The extruder can be divided into single-screw, twin-screw and multi-screw extruders according to the number of screws. It is now the most widely used single-screw extruder and is s...
Reventive protection of screw barrels of injection molding machines
06-09-2019
Excessive wear can cause serious damage to the processor. Excessive clearance between the screw threads and the barrel surface can affect the machine's power, power and energy cons...

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