... AISI, ASTM, GB, DIN, EN Place of Origin: Jiangsu China (Mainland) Brand Name: longyang Type: We Quick DetailsStandard: ... JIS, AISI, ASTM, GB, DIN, ENPlace of Origin: Jiangsu China (Mainland)Brand Name: longyangType: WeldedSteel Grade: 300 SeriesApplication ... performance price ratio and best servicesZhuxin Steel Co.LtdMs.Sara WangTel:86---15092856500Fax:0538---6918966 stainless steel welded pipe