Suggested region and language based on your location
Your current region and language
Certificate Number: OHS 796394
Scope: The manufacture of fumed silica, trichlorosilane, silicon tetrachloride, isopropanol, Tetramethylammonium Hydroxide.
气相二氧化硅、三氯硅烷、四氯化硅、异丙醇和四甲基氢氧化铵的生产。
| Original Registration Date | Effective Date | Last Revision Date | Expiry Date |
|---|---|---|---|
| 2024-01-24 | 2024-12-06 | 2025-11-21 | 2027-12-05 |