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Zhoushan Jingnai Alloy Precision Casting Co.,Ltd.

Zhoushan Jingai Alloy Precision Casting Co.,Ltd is China Wholesale no plastic tube manufacturers and no plastic tube factory, which is specialized in manufacturing precision plastic screw and barrel.Over the years,the main products are Nitriding screw and barrel,bimetallic alloy screw and barrel,stainless steel screw and barrel.fully hardened screw, high-speed tool steel screw and barrel which will be used at extruder and injection molding machine.they are used at extruder,such as single screw barrel,parallel twin-screw barrel,concial twin-screw barrel which used in the production plate,sheet,pipe,blow molding machine,blown film machine,the feed machine,packaging machine,foam machine,granulator,woven wire drawing machine,wire and cable,chemical fiber.etc.



no plastic tubes Industry Knowledge Expansion

A plastic screw and barrel are components of a plastic extruder, which is a machine that melts and extrudes plastic material into a desired shape. The plastic screw is a helical component that rotates within the barrel, and it is responsible for conveying, melting, and pressurizing the plastic material as it moves through the barrel. The barrel is a cylindrical component that surrounds the screw and contains the heating elements that melt the plastic material. Plastic screws and barrels can be made with high precision to ensure that the extruded plastic products have consistent and accurate dimensions.