Certification
| NO. | Subject | Date |
|---|---|---|
| 1 | ISO-9001 Certificate 2005 (English) | 2026-06-17 |
| 2 | ISO-9001 Certificate 2005 (Chinese) | 2026-06-17 |
| 3 | ISO-14001 Certificate 2005 (English) | 2026-06-17 |
| 4 | ISO-14001 Certificate 2025 (Chinese) | 2026-06-17 |
| 5 | D-U-N-S® Registered™2024-2025 | 2024-03-12 |
| 6 | D-U-N-S® Registered™ 2023-2024 | 2024-01-04 |
| 7 | D-U-N-S® Registered™ 2022-2023 | 2023-01-16 |
| 8 | D-U-N-S2019-2020 | 2019-08-27 |
| 9 | D&B D-U-N-S (Registered Certificate) | 2014-11-12 |
| 10 | Certificate for the Use of Green Mark of portable toilet | 2014-11-12 |