... fittings, Mining & earthmoving machinery accessories, pump body and valve .aluminum casting part Casting: investment casting ,precision casting, lost wax casting ... BS,JCSI.Piece numbers: small, medium and large series.Process: cast, machining, turning, milling, drilling, thread cutting.Surface treatment: glass ... -ray,metallograph.Quality control: According to ISO 9001 2001 Aluminum Sand Casting