... & hardware fittings, Mining & earthmoving machinery accessories, pump body and valve .aluminum casting part Casting: investment casting ,precision casting, lost wax casting ... ,carbon steel ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to DIN ,EN, ASTM, BS,JCSI.Piece numbers: small ... , x-ray,metallograph.Quality control: According to ISO 9001 2001 Aluminum Casting