The scale of the enterprise is in the forefront of the industry.Which is located in Ningbo to Zhoushan cross-sea bridge,the bridgehead of Jintang Bridge,screw barrel town of plastic machinery in China. 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. By continuing endeavor and progression over 30 years,Jingjin had already established long cooperation with large injection machine manufacturers.