... processing factory: we can undertake all kinds of forming and machining process of standard and non standard parts. Product kinds : ... furnace, 1250mm cantilever straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft ... castings, such as roll, engine seat, frame, box body, gear blank, sleeves, slide way, valve body, valve seat, pulley, ...