... Co., Ltd specializes in pump, pump parts and other machinery parts manufacturing for 6 years, with two ... Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Special ... , Hardness tester, Roughness tester, deflection tester, Impact test machine, Projector, Altimeter, Scale Micrometer, pressure tester, etc. ...