... Standard:JIS,DIN,ASTM,BS OEM service casting stainless steel valve ballWe are a foundry which is near the Qingdao ... 6.Application: Industrial parts, Machinery parts, hardware, construction parts, valve/valve parts,train,craft,doorhandle,hinge,hydraulicpressure,construction,agricultural machinery 7 ... polishing,machining,machining center,plating,HeatTreatment,ect. casting stainless steel valve ball