... 2008, TUV Rheinland, Bureau Veritas. 100% factory,welcome inquiry. Round bar,round steel,Stainless steel round bar,SS round bar. Our Certification ISO9001 ... 000 volts transformer substation,two sets of 30 tons of electric are furnace, 4 sets of 25 tons-intermediate current ... company committed providing our customers with high quantity stainless steel round bar .steel board of 301,304,304L,304H,309,310, ...