... 3. Weight: 0.1-150KGS 4.sand casting grey iron auto parts 1.Material: ductile iron, grey iron, steel, under ASTM, ... hot galvanizing.9. Test: chemical composition, tensile test, hardness tester and etc.Our company was established in 1993, after 20 years ... castings are under strict QC and in a quick delivery, welcome to contact us.CASTING PARTSMaterial ISO CRTIFICATIONOUR COMPANY grey iron auto parts