What Shall we do when the raw material come to our factory?
We will arrange the inspection at the first time After each raw material arrives,. Each forging has a corresponding size and model.
After our inspector passes the inspection, we will affix the certificate of conformity according to the material report provided
by the raw material manufacturer. The label is signed by the workshop director, and then the next process is arranged.
The raw materials of the bearings are mainly 50Mn, 50Mn QT, 42Crmo, 42CRmo QT. There are also #45 required by customers.