... raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PR, UP, PEC, PF, VF, MP, ... etc.. Lucheng screw with the advantages of location, services, domestic and foreign markets; to faster delivery, better prices to provide you ... with high quality barrel, screw products. "Excellence, pioneering and innovative" is our entrepreneurial spirit. "To provide high quality products ...