... , Q370qC/qD/qE) Shanghai yunqing of high strength steel Co., Ltd. is the Shougang Group, Anyang Iron and Steel Group, Baosteel, Wuhan Iron ... retail, steel, rolled steel materials used both fixed leader.Shanghai yunqing objectives were the introduction of ISO9001 quality system and ... used in business, has supplied the North car Group, Trinity Group, Xugong Group, the East China Sea Bridge, Pudong Expo, ...