... Bureau Veritas. 100% factory,welcome inquiry. Round bar,round steel,Stainless steel round bar,SS round bar. Our Certification ISO9001:2008,TUV ... investment is RMB 450 million, annual productive capacity 150,000 tons and the annual output value exceeds RMB 5 billion. ... are furnace, 4 sets of 25 tons-intermediate current furnace, three sets of 25 tons-domestic advanced equipment AOD refining furnace, ...