Raw material control:
1.The steel material selected 100 % comes from our natlonal large-scale steel corporations .
2.The materials that steel,welding material etc are all examed by chemical detection ,
3.Strictly conforms to drawing requirements,
4,Every pins ,axles,sleeves etc are strictly obey quenching and tempering procedures .
5,Every parts of our products strictly conforms to the procedure requirements
6, perform the requirements of the ISO9001 Quality System and national standard strictly.
| Color ||As customer's requirement|
|Delivery Time||Depends on the order quantity|