1) Standard:ASTM,DIN,JIS,EN,GB/T. 2) Thickness: 0. ... 2B,satin,polish,mirror,Hairline Foshan Nanhai Zhong Gang Xing Stainless Steel Hardware Co.,Ltd,located in Foshan,China. Our factory ... license.Here are some more details about our round welded tube:1.Certification:ISO9001:2000,M.T.C2.Standard: ... JIS, GB, DIN, ASTM, EN.3.Materials: AISI 201, 202, 301, 304, 304L ...