In collaboration with the State Grid Smart Grid Research Institute and Baosteel Group, Gaojing developed the S24-M.RL-400/10 “Ultra-Class 1” efficiency transformer — exceeding China’s already stringent new Class 1 standard (GB20052-2024).
| Metric | S22 (Class 1 Standard) | S24 (Our Product) | Improvement |
| No-Load Loss | 330W | 271W | –18% |
| Load Loss | 3,250W | 2,911W | –10% |