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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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What are the requirements of the screw on the material
17-10-2019
It can be seen from the extrusion process that the screw works under high temperature, certain corrosion, strong wear and high torque. Therefore, the screw must: (1) High temperatu...
Injection molding machine head overflow solution
09-10-2019
Injection molding machine head overflow solution Injection molding machines are also known as injection molding machines or injection machines. It is the main molding equipment for...
Several sections of the injection screw
29-09-2019
The plasticized screw distinguishes three sections according to the geometric shape 1. Feed zone This section is the groove depth of the fixed screw groove, and the plastic solid p...

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