Products type: Spur Gear, Bevel Gear, Worm Gear, Rack Gears and Gear Shaft etc. Size: Max. Dia. 11m Material: casting, forging, or customer's requirement. Hardness: Max.400BHN Standard: ISO, DIN, AGMA, GB We can provide a wide range of services and products from design, research&development to manufacture and delivery based on the principle of faith service.