... , pump body and valve .aluminum casting part Casting: investment casting ,precision casting, lost wax casting ,soluble glass process complex shell ... and aluminum ,according to DIN ,EN, ASTM, BS,JCSI.Piece numbers: small, medium and large series.Process ... for tensile strength. ,yield stress ,notched bar impact tenacity, x-ray,metallograph.Quality control: According to ISO 9001 2001 Aluminum Casting ...