The products are manufactured according to the followlng technical parameters and raw material control:
1.The steel material selected 100 % comes from our natlonal large-scalesteel corporations .
2.The critical materials that steel,welding material etc are all examined by chemical detection , then they are allowed into workshop for batch production.
3.Strictly conforms to drawing requirements, we make the products with16 Manganese,40 Chromium and 45#steel etc .
4,Every parts of our products that pins ,axles,sleeves etc are strictly obey quenching and temperin procedures
5,Every parts of our products strictly conforms to the procedure requirements : mill ,plane, polish, press ,test etc in turn.
6,As for have finished products ,we perform the requirements of the ISO9001 Quality System and national standard strictly.