WBJF has established our own Testing center, including Chemical analysis laboratory, Metallographic analysis laboratory and Measurement room.

Measurement room has 500,1000 and 2000mm Length measuring instrument ,profilometer, roughness inspection instrument, angle measuring instrument and many other advanced testing devices.

Jinfeng Bearing Quality AssuranceJinfeng Bearing Quality Assurance


Jinfeng Bearing Quality AssuranceJinfeng Bearing Quality Assurance


Jinfeng Bearing Quality AssuranceJinfeng Bearing Quality Assurance

Labrotory and Instruments

Bearing Material

QC Process

Quality Assurance-Material Inspection

Material Inspection

Forging Inspection

Process Control

Final inspection before assembly

Final products insepction

Components Inspection