| electric technician | Aptitude build Electric technology | Xiamen Jiuze Electric technology Corporation Ltd. |
| Xinle Electric technology Wuxi Corporation Ltd. | Hangzhou Yilong Electric technology Corporation Ltd. | Brachylogy Yinghan Electric technology vocabulary |
| Shenzhen (city in China) Zhenru electric technology Corporation Ltd. | Hefei Xingying Electric technology Corporation Ltd. | Shenyang Haoying Electric technology Corporation Ltd. |
| Shanghai Hade Electric technology Corporation Ltd. | Anhui A day electric technology Corporation Ltd. | Lanzhou Kefeng electric technology Corporation Ltd. |
| Wuwei Wanbao Electric technology Corporation Ltd. | Lanzhou China star electric technology Corporation Ltd. | China Chengdu Build Electric technology exhibition |
| Peking Lidehuafu Electric technology Corporation Ltd. | Peking east Shengya Electric technology Corporation Ltd. | Peking Puruisima Electric technology Corporation Ltd. |
| Wuhan Xinruike Electric technology Corporation Ltd. | China Chengdu Build Electric technology exhibition | Lanzhou Chengtong Electric technology Engineering Service Corporation Ltd. |
| Lanzhou connection Electric technology Co., Ltd. | Hangzhou Aijishi Electric technology Consult consult Corporation Ltd. | |
Lightning