... sample; 2.material:PA,Nylon; 3.design,prototype,mold making,injection molding. 1. our factory can make high quality plastic screw as ... auto product,aerospace,petrochemical industry,household products,(OEM). Various plastic raw materials: PP,PE,PS,ABS,POM,PA,PBT,PPS ... PEI,PEEK,PES,TPU,LCP,PLA,antistatic plastic,carbon fiber plastic,etc.Mould material: high-quality alloy steel with heat treatment,wear ...