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ISO 9001 / ISO 14001
Power line design and development, production, and supplementary service
| Division | Registration Number | Designation |
| Patent | 10-1057109 | Brackets for conductive railway equipment for railway vehicles |
| Patent | 10-1109073 | Brackets for conductive railway equipment for railway vehicles |
| Patent | 10-1130685 | Conductive railway equipment for railway vehicles |
| Patent | 10-1130687 | Conductive railway equipment for railway vehicles |
| Patent | 10-1269230 | Conductive railway equipment for railway vehicles |
| Design | 30-0553237 | Conductive rail |
| Design | 30-0553238 | Conductive rail base |
| Design | 30-0553239 | Vehicle contact member for conductive rail |
| Patent | 10-1254786 | Conductive rail and its manufacturing method |
| Patent | 10-1322418 | Support bracket and power supply rail including the bracket |
| Patent | 10-1355925 | Conductive rail manufacturing equipment and manufacturing method |
