Quality assurance - China Anrui Holding Group Co.,Ltd

Quality assurance


We control bearings’ quality from steel, spare parts, heat treatment, grinding, assembly to finished products on full process. Besides that we use designated raw material.

1:Sampling inspect raw material;

2:Full process inspect forging parts .

3:Fully inspect raceway of turning parts

4:Fully inspect appearance dimension of turning parts

5:Heat treatment in-process inspection by batch

6:Fully inspect grinding dimension in-process ; 

7:Fully inspect super-finished raceway;

8:Sampling inspect steel balls, cages,seals, grease by batch

9:Fully inspect dimension before assembly;

10:Fully inspect clearance,noise of finished products in process;

11:Sampling inspect finished products warehouse- out by batch.;

12: Continuous cooling grinding and ultrasonic cleaning on full process:(sampling inspection)

We give quality guarantee of 1 year under normal working conditions. Only if it is failed caused by bearing quality in a year, WWI would like to replace the failed bearing with new bearing one to one.

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