... various kinds of materials. Both pumps and complete pump can be supplied. Qingdao Xin Yang Machinery Co., ... Ltd specializes in pump, pump parts and other machinery parts manufacturing for 6 years, ... the product Qingdao Xin Yang Machinery Co., Ltd.Casting ProcessPrecision casting, Sand casting, Investment casting, Silicasol castingCasting MaterialCast Iron, Grey Iron, ...