... Yang Machinery Co., Ltd specializes in pump, pump parts and other machinery parts manufacturing for 6 years, with two foundries and ... Steel, Stainless steel, Alloy steel, Special steel, Wear-resistant steel,Aluminum, Copper, Bronze, etc.StandardAISI, ASTM, DIN, JIS, BS (As ... to drawing, sample or specific industry standard.(4) Both parts and complete sets can be supplied.(5) Strong engineering team ...