... making,injection molding. 1. our factory can make high quality plastic screw as per customer's drawing or sample.2. ... ,antistatic plastic,carbon fiber plastic,etc.Mould material: high-quality alloy steel with heat treatment,wear resistance,corrosion resistance ... H13,SKD11.Advanced equipments:precision grinder,milling machine,driller,wire cutting machine,EDM,CNC,full automatic injection machine , ...