Shinestar Holdings Group Co.Ltd, 5A-Credit Enterprises owner,peers to be accredited with ISO9001:2008 International Quality Management System,with its primary operation in iron and steel, produces premium iron and steel products with high technology contents and added values and has 5 factories and over 1000 workers in China.Main products are ERW,LSAW,SSAW and seamless steel pipe, carbon steel pipe,scaffolding tubes with API5L,ASTM A106/A53, DIN2391,ASTM A179/A192,EN10210,EN10208 etc.approved.