1.size:DN10-DN300 2.standard:ASME,EU,EN,JIS,GB 3.certification:ISO9001:2008 4. ... , I steel, channel steel, angle steel and tees teel 2.Standard: ASME,GB, EN, DIN, JIS 3.Bend degree: 45,90 ... , L/C10.Delivery time: 20-60 days pipe fabrication pipe/tubing bending process