material:cast steel or as your requiement certificate:ISO9001:2000,QS-9000,SA8000 casting services plenty of experience About our company MYH INTL TRADE CO.,LTDServiceOEM service offered as the customers`drawing,samplesCasting materialcast iron,ductile iron,grey iron,stainless steel,alloy steel,aluminum,aluminum alloyStandardISO ASTM GB ASTM DIN JISProcessdrawings-mould making-raw casting- ...