... 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, ... 1000 and shaft φ500×17000. Welcome to contact us. precision custom metal machning service/metal fabrication Service/machining parts