Investment Casting, Precision Casting, Sand Casting manufacturer / supplier in China, offering OEM Custom Investment Casting Turbo Bearing Housing for Auto/Industrial Engine Turbocharger Parts, OEM Custom Turbo Turbine Chra Wheel Rotor Shaft for Auto/Industrial Engine Turbocharger Parts, Custom Turbocharger Turbo Back Plate Seal Plate for Gasoline/Diesel Engines and so on.