Zhoushan Longwei Plastic Machinery Co., Ltd. is located in Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province, China. Founded in 2004, the company is a well-known enterprise specializing in the design, development, production, and sales of single screw, barrel, and conical twin screw and barrel. At the same time, we are also China granulation screw barrels manufacturers and thread screw barrels suppliers, The company's design, production of screw and barrel has gained a good reputation for more than 20 years.

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