Size：from ISO63 to ISO500
Material: Stainless steel 304 or 316L
*Special material available upon request. 
Surface finish: Ra 0.8μm - 1.6μm

Advantage: 
- Each step of the production process is recorded starting from raw materials to finished parts. 
- The ISO centering rings are 100% visual and dimensional inspected before shipping. 
- Cleaning and packaging based on export standard. 
- CME Centering rings are widely used in North America, Germany, Israel, and Korea for the vacuum and semiconductor industry.