Certification
| System Name | Certification Number | |
| ISO-14001:2015 Environmental Management System | GITW-0395-EC |  |
| IATF16949:2016 Automotive Quality Management System | 46794/B/0001/SM/En |  |
| IECQ QC080000:2017 Hazardous Substance Process Management System | TW-HSPM-1508 |  |
| ISO9001:2015 Quality Management System | 46794/BB/0001/SM/En |  |
| ISO-45001:2018 Occupational Health and Safety Management System | GITW-0395-OHC |  |
| ISO 50001 Energy Management System | TW-3496/2024 |  |
2024 | TH25-196 / Version 1 |  |
2023 | TW24/00360GG |  |
| 2022 Greenhouse Gas External Audit Report |  | |
| 2021 Greenhouse Gas External Audit Report | | |
| UL94V-0:1996 UL-certified | E171522 |