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point group manufacturers

Zhoushan Jingnai Alloy Precision Casting Co.,Ltd.

Zhoushan Jingai Alloy Precision Casting Co.,Ltd is China Wholesale point group manufacturers and point group 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.

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point groups Industry Knowledge Expansion

The term "screw and barrel" refers to the components of an injection molding machine or extruder that are responsible for melting and conveying the plastic material. The screw is a long, helical component that rotates inside the barrel, which is a cylindrical housing. The screw and barrel work together to heat and melt the plastic material, and to apply pressure to the molten material as it is extruded through a die to form a desired shape. The term "point group" does not have a specific meaning in the context of screw and barrel design.