... red, yellow, grey, purple, pink rubber washer, etc. or upon your color codes. 6. Processing: all manufacturing processes are complied with ... , mechanical, industrial, construction, household, medical and other fields rubber washer. 10. QC/QA: we have strict quality control and ... Tooling: 1. We have our mold factory, includes CNC machines, EDM machines, and wire cutting machine. 2. The molds can be ...