Suggested region and language based on your location
Your current region and language
Check company, site and product certificates - Validation and Verification
Certificate Number: OHS 848744
Scope: The manufacture of fumed silica and by-product hydrochloric acid.
气相二氧化硅及副产盐酸的生产。
| Original Registration Date | Effective Date | Last Revision Date | Expiry Date |
|---|---|---|---|
| 2026-09-21 | 2026-09-21 | 2026-09-21 | 2029-09-20 |