... furnace, 1250mm cantilever straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type ... castings, such as roll, engine seat, frame, box body, gear blank, sleeves, slide way, valve body, valve seat, pulley, ... and shaft φ500×17000. Welcome to contact us. precision custom metal machning service/metal fabrication Service/machining parts