Zhejiang Jingjin Machinery Co.,Ltd was established in 1988,The company covers an Nitride Screw Barrel area of 30,000 square meters,with more than 300 employees.Jingjin is one of the largest manufacturer specializing in producing high precision and high quality bimetal screw barrel in China,the scale of the enterprise is in the forefront of the industry.Which is located in Ningbo to Wholesale Extruder Screws Barrels Manufacturers Zhoushan cross-sea bridge,the bridgehead of Jintang Bridge,screw barrel town of plastic machinery in China.The company operates several of CNC drilling and milling machining centers,Taiwan bimetal casting furnace,German plasma automatic screw welding machine,Taiwan CNC screw grinding machine,CNC screw milling machine,CNC vertical grinding Machine,CNC screw milling,CNC vertical machining center,High precision turning center,well-type quenching and tempering furnace,well-type nitriding furnace,vacuum quenching furnace, plasma nitriding furnace and leading screw barrel machining equipments at home and abroad,also with perfect testing facilities.