... Iron and Steel, TISCO, Wugang and other large-scale steel plant agent distributor , users all over domestic more than 20 ... Certification (D32/D36/E32/E36) Series . The main ordering steel plant: Shougang Group, Baosteel Group, Jeju Steel, Taiyuan Iron & Steel, ... Expo, such as matching the supply of part of the project, the company in yunqing, Nanjing, Ningbo, respectively, with product ordering and ...