- Registered trademark
- SCB11-315/20 Inspection report
- ISO9001 quality management system certification
- S11-M-400/10 Inspection report
- ISO14001 environmental management system certification
- ZGS11-Z-630/10 Inspection report
- OHSAS18001 occupational health management system certification
- S13-M-1000/10 Inspection report
- GGD switchgear CCC certification
- S13-M-315/10 Inspection report
- GGJ capacitance ark CCC certification
- ZGS13 Z.G - 1100/35 photovoltaic combined transformer inspection report