- Transformer energy-saving certification 1
- SCB11-1000/35 test report
- Transformer energy-saving certification 2
- GGJ ark 3 c authentication report
- GGD cabinets 3 c authentication report
- 2000 energy-saving product certification report
- 630 energy-saving product certification report
- YBM11-12/0.4-630 Pre-loaded with transformer inspection report
- SCB13-2000/10 test repor
- SCB11-1000/10 test report
- SCB11-2000/10 test report
- SCB11-1000/20 test report