... structure rivet welding Manufacture and sell machining, rivet welding, casting & forging, and heat ... straightener ,kinds of valve, flange, gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod ... tonnages. The maximum forging ringφ1500, flangeφ1000, shaft φ500×17000.Meanwhile, our cast steel and casting ... Metallurgical Machinery Co., Ltd. Mechanical Machining parts from Lemoncy