Zhejiang Guangming Plastics Machinery Co., Ltd, which is one of the largest enterprises for manafacturing plastic-extruder screw & barrel.and also the largest one which specializes in producing the twin screw & barrel in China.Its technological strength is powerful,and it has heavy finish-machining equipments for producing screw & barrel,NC equipments,nitriding furnaces controlled by computer,and constant-temperature quenching furnaces,as well as advanced monitoring and testing equipments.The company actively introduces advanced technologies and equipments,and puts a high value on the building of quality,marketing,and talent projects.

We are located in Ningbo which is the largest seaport in China. Our main products include conical twin-screw & barrel, single-screw extruder screw & barrel, injection molding screw & barrel, and rubber processing screw & barrel, bimetallic for single-screw & barrel and twin-screw & barrel as well. We can provide lots of kinds of screw and barrel with best quality at the competitive prices and excellent service.