About Us

Sanjin Precision Industrial (Dongguan) Co., Ltd. Main products for precision mold parts Hitachi mother die bushing special steel precision die at the whole punch precision machining precision progressive die precision die holder plate full precision machining precision carbide punch shaped punch head Precision guide posts precision bushings Urethane spring of precision J / G Honing Tokyo strong spring precision surface grinding material is with the use of special steel with Japan's Hitachi Metals, the main raw material chosen by Japan's Hitachi gold Is a special steel imported SLD, SLD-MAGIC, YXM1 other steel, another as D2, SKD11, S50C, CR12MOIVI etc.