... sell machining, rivet welding, casting & forging, and heat treatment parts AnShan Ying Yat Trade Co., Ltd and AnShan HongMing Metallurgical ... gear, pinion shaft, gear reducer, gear coupling, pin coupling, screw rod, nut, shaft type, sleeve type, roller, supporting roller, working roller ... of gear, cover type, sideway, valve body, pulley, connecting rod and so on.Our forging branch plant can forge the ...