... ,Nylon; 3.design,prototype,mold making,injection molding. 1. our factory can make high quality plastic screw as per customer's drawing ... or sample.2. provide the one-station service:from design,prototype making, ... ,PEEK,PES,TPU,LCP,PLA,antistatic plastic,carbon fiber plastic,etc.Mould material: high-quality alloy steel with heat treatment,wear ...