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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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Prevent the injection screw from slipping
13-07-2019
When the injection screw is difficult to produce the material at the feeding port, or if the material does not form enough adhesive force along the length of the barrel to transpor...
How to choose the screw? You don't necessarily know it!
05-07-2019
Classification of screws Generally, the screw can be divided into ordinary type, gradual type, mutant type, mixing type, separation type, split type and various barrier type, pin t...
Causes of damage to the screw and barrel
28-06-2019
1. The screw rotates in the barrel, and the friction between the material and the two causes the working surface of the screw and the barrel to wear gradually: the diameter of the ...

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