... S45C etc. 3.Misumi&Punch Standar 1. About Yukai: Yukai Precision Mold parts Co., Ltd., founded in 2005, is a professional ... manufacturing of precise standard mould components, which are used in precision punch mould, plastic mould, die casting mould, semiconductor mould ... and other automatic parts. tungsten steel punch Also available:precision ground plates, with different shapes for punches and ball- ...