Housing materials are high strength Grey cast iron and nodular cast iron;

  Gears, pinions and bevel gears are Made of high grade alloy with carburize-harden technology. Hardness of teeth Surface reaches 5763 HRC, grinding precision reaching class 56 and even 3 if Required;

  Shafts are made of alloy via heat Treatment;

  Standard accessories such as Bearings and oil seals are provided by international famous brands; Good Assembly environment, standardized assembly technology, 100% strict quality Assurance inspection and regular type test.