plastic precision gear mold, 1.plastic gear mold 2. precision gear mold 3, material: P20, H718 etc.. plastic precision gear mold ,We adopted international advanced ... projects. Many kinds of world-wide applied mould steels are used in our production,such as 738,738H,718,718H,S136 ... Sweden,NAK80 from DAIDO of Japan and P20, plastic precision gear mold