China Gjj Passenger Hoist Pinion 15 Outer Teeth with 6 Inner Teeth, Find details about China Passenger Hoist Pinion, Passenger Hoist Gear from Gjj Passenger Hoist Pinion 15 Outer Teeth with 6 Inner Teeth
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. |