Quality Test

Quality assurance is our top priority at crinjectors.com. Our finished CR fuel injectors undergo three rigorous inspections before leaving the factory: full inspection, random inspection, and batch inspection. Browse our catalog with confidence, knowing that our products have undergone meticulous quality checks to guarantee your satisfaction.

During the produce of CR fuel injectors, there are totally 15 steps of quality inspection. They are selection of raw material, the inspection during production and inspection of finished products. In these 15 steps, one step missed can cause the bad quality or failure production, therefore, every process has specific workers to responsible, and that finally made our professional production team.

Here are some description of CR fuel injectors’ produce processes:

1. Inspect raw materials and make backup of raw materials test report;

2. Cutting raw materials with blanking machine;

3. Inspect raw material’s cutting diameter and length;

4. Forging and forming processing on the raw materials;

5. Inspectors conduct the all kinds of inspections of forming blank;

6. Remove the blank scrap ;

7. Blast the surface of the blank;

8. Conduct surface treatment inspection after sandblasting;

9. Perform blank machining;

10. Process CR fuel injectors’s body seal threading;

11. Process CR fuel injectors body connection threading;

12. Process CR fuel injectors’s hole;

13. Inspector conducts general inspection;

14. Install the CR fuel injectors;

15. The packing workshop finish product packaging.

Before sending out of the factory, the finished CR fuel injectors still need to undergone through three inspections—full inspection, random inspection, and batch inspection. In these inspections, different brands of test benches are used to test the same CR fuel injectors for total of no less than three times.

Apart from above, CR fuel injectors is one of the most important running parts, it is also one of parts with the highest damage rate, even tiny particles can cause failure of CR fuel injectors and even entire components. So it is important to make sure the whole produce process and installation and its working place are dust-free.