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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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Working principle and condition of underwater pelletizer template
16-08-2019
The template structure of the underwater pelletizer consists of four parts: the mold body, the polymer forming hole (die hole), the heating hole, and the granulation belt (hard all...
What should be paid attention to in the production operation of twin-screw extruder
10-08-2019
1.Before each driving of the twin-screw extruder, check whether there are any foreign objects in the cylinder, up and down the hopper, and check whether the fastening bolts of each...
How to buy high quality screws
29-07-2019
Although the screw is small and significant, the informal name is also called “special screw”. Because of its wide range of uses in industry, it is called “industrial rice”. Everyd...

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