... in water treatment,industrial equipment. Wingkam is a supplier of quality metal casting and our business is to manufacture castings according ... , we could supply sand casting and investment bronze and brass pipe fitting with material: C83600, C87600, C95800, C92200, C86500, C93700. Casting process ... check, Mechanical Property, Yield Strength, Tensile Strengh inspection. Bronze Pipe Fitting Casting