Green Manufacturing
| Management System | Certification Scope | Coverage |
| ISO 14001 | Taoyuan Plant, Longtan Tech Plant, Yunlin Tech Plant, Suzhou Plant, Wuhu Plant | 100% |
| ISO 50001 | Taoyuan Plant, Yunlin Tech Plant (to be implemented in 2023) |
20% |
| ISO 14064-1 | Taoyuan Plant, Longtan Tech Plant, Yunlin Tech Plant, Suzhou Plant, Wuhu Plant | 100% |
