material:plastic 2-pc ball valve more than 10 years 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-sandblasting-rough machining-finish machining-surface treatment- ...