Zhejiang Jingjin Machinery Co.,Ltd was established in Wholesale Bimetallic Screw Barrels Manufacturers 1988,The company covers an area of 30,000 square meters,with more than 300 employees.Jingjin is one of the largest Screw Barrel manufacturer specializing in producing high precision and Wholesale Extruder Screws Barrels Factory high quality bimetal screw barrel in China, the scale of the enterprise is in the forefront of furnace and leading screw barrel machining equipments at home and abroad,also with perfect testing facilities.