... treatment workshops AnShan Ying Yat Trade Co., Ltd and AnShan HongMing Metallurgical Machinery Co., Ltd is a comprehensive group corporation. It ... cover type annealing furnace, 1250mm cantilever flattener, kinds of valve, flange, gear, serrated shaft, herringbone shaft, gear reducer ... , box body, gear blank, sleeve products, skidway, valve body, valve seat, pulley, connecting rod and so on.Our forging ...