... precision casting & Tooling JIS, DIN, ASTM,BS OE stainless steel valve stainless steel sampling valve We are a foundry which is near the Qingdao ... harbor port and the airport. we can offer stainless ... .ISO9001:2000 Approved 2.OEM service available 3.Materials: stainless steel,cast iron,pig iron,carbon steel,alloy steel,non ...