... forging, casting, heat treatment, machining, and structural rivet welding in our company. We can start from designing and manufacturing ... , cover type annealing furnace, 1250mm cantilever flattener, kinds of valve, flange, gear, serrated shaft, herringbone shaft, gear reducer, ... frame, box body, gear blank, sleeve products, skidway, valve body, valve seat, pulley, connecting rod and so on.Our forging ...