Ningbo Haishu Laide 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.