... OEM popular export hardware company, China-CKH boasts of its good quality and reasonable price.We specializes ... about our prodcuts:1. Featured product: stainless steel round welded tube2.Material : 201,202,304,304L, ... C.4.Standard: GB/T, ASTM A249,A269,A270,A312,A554, JIS3459, DIN , EN10296.5.The thickness of round ... tube:0.25mm to 3.0mm.6.The OD of round tube: from 8mm to ...