... impact/fatigue resistance. 1. Customize precision PEI product,PEI injection product and PEI part injection mould,as per customer's drawing ... high-precision and micro(3*3*3mm)-to-medium size plastic part and injection mould for electronic products,industrial product, ... antistatic plastic,etc.Mould material: 718,2738,S136, SKD61,H13,SKD11,with high hardness.Advanced equipments:precision grinder,milling ...