... mold making,injection molding. 1. our factory can make high quality plastic screw as per customer's drawing or sample. ... PLA,antistatic plastic,carbon fiber plastic,etc.Mould material: high-quality alloy steel with heat treatment,wear resistance,corrosion resistance, S136, SKD61 ... is take quality as the first consideration with sincere service,low price,prompt delivery. If you have any interest in our ...