... D:600—3500,H:100—500, Max weight: 4.2td. forging rectangles: L:100—1600, W:100— ... smelting, forging, heat treatment, machining and testing. 4.We already passed ISO9001-2008, ISO14001-2004, GB/T28001 ... is less than 0.05USD/unit;2)Gas Cost:We are in northwest oil&gas field of Sichuan ... technology team,we produce high level special steels .4)Quality Warranty:Yuanfang established top class Physical and ...