ring 6" our products enjoy great reputation in global market with high quality and competitive price. ring 6"1)Material: carbon steel(A105,Q235,A305),alloy(F5,F9,F11),stainless steel (304,316);2)Size: from 1/2"to64";3)standard: ANSI,JIS,DIN,BS,GB4)type: WN,SO,BL,SW,LJ,TH,5)painting: black,yellow, galvanizing,antirusting oil;6)packing: plywood case, pallet;7)Market: Middle east,Southeast Asia, ...