For EPDM washers we are producing, from rubber mixed and formed,EPDM vulcanized,EPDM washer punching,packing, all these are carried in house, quality controlled could be guaranteed.

For other fasteners we not produced,products are sourced from local original factories who worked with us many years. Detailed analysis of these suppliers is usually carried out to ensure quality is maintained.

We can offer following quality testing reports to accompany with the goods.

1.Testing report from factory's laboratory

2. Testing report from international testing center(Sample attached)

3. PPAP Class 3(Sample attached) 

PPAP Document Submission Checklist