... materials of castings we supply include: Bronze, Brass, Aluminum, Stainless steel, Ductile Iron and Cast Iron. Casting ... , Investment casting, Die casting, Centrifugal casting, stampling. Aluminum casting is one of our mainly business, we could supply ... measure, Material Chemical check, Water/Air Pressure check, Mechanical Property, Yield Strength, Tensile Strength inspection. Aluminum Sand Casting