China Pinion for Gjj Construction Passenger Hoist Spare Parts, Find details about China Passenger Hoist Pinion, Passenger Hoist from Pinion for Gjj Construction Passenger Hoist Spare Parts
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. |