Khwang Chomthong, Khet Chomthong, Bangkok
spur gears, bevel gears, spur gears, slide bends
gear chamfer remove gears
wedge wheel make a groove, gear, shaft, shaft
the gear wheel has all kinds of gear wheels, including sprockets, helical gears, gears, wallets, gears, centipede, sprocket, chain sprocket, bridge sprocket, chain sprocket.