... steel, stainless steel,2sandgreen sand3mahinelathe, CNC, drilling machine, milling machine, boring machine, planting machine, machining center4processsand casting, investment casting, lost wax casting ... spraying, galvanization7standardJIS, ANSI, DIN, BS, GB OEM and Customized Service.Quality guarantee• Chemical checking• NDE after rough machining• ... export(at)adzz(dot)cnFrank speed reducer shell