| Shennan Circuits Co., Ltd. | | Electronics,Busbar,Power electronics, | Patent: 26 |
| Hainan Jinpan Smart Technology Co., Ltd. | | Electronics,Switchgear,Transformer, | Patent: 16 |
| Dongguan Kehui Electronics Co. Ltd. | | | Patent: 9 |
| Liweixing Electronic Shenzhen Co. Ltd. | | | Patent: 8 |
| Zhengzhou Institute of Technology | | | Patent: 7 |
| Jiangsu Wanbang Dehe New Energy Technology Co., Ltd. | | | Patent: 7 |
| Jiangyin Spark Electronic Technology Co., Ltd. | | | Patent: 7 |
| Zhejiang Hujiang Thread Industry Co., Ltd. | | | Patent: 7 |
| Gansu Hongyu Transformer Co. Ltd. | | | Patent: 6 |
| Zhuhai GREE Intelligent Equipment Co., Ltd. | | | Patent: 6 |
