Zhoushan Jiawei Machinery Factory is a professional manufacturer specialized in producing screws and barrels. Located at the eastern coast of China, we enjoy land and sea transport facilities. Our products are exported to Europe and Asia and are widely praised by users. Over the years, Jiawei has been committed to producing rubber and plastic components which are widely used in rubber and plastic extrusion, equipment, such as sheet machines, blown film making machines, food machines, pharmaceutical machines, feed machines, coating machines, packing machines, granulating machines, braiding wire drawing machines, paper making equipment and wire and cable equipment. Our main types of screw production are gradient type, mutant, PM separation type, shunt type, barrier type, the vacuum exhaust type, combined type, work type and speed type which are widely used in all kinds of rubber raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PR, UP, PEC, PF, VF, MP, PMMA, PET, PBT, PPS, MPPO, PI, LCP, etc. We provide you with high quality barrels and screws. "Excellence, pioneering and innovative" is our entrepreneurial spirit. "To provide high quality products" is our business philosophy. "Give customers the most satisfied with the service" is our best effort from beginning to end requirement of the business objective.