| SHANGHAI YAOHANG ELECTROMECHANICAL LIMITED | | Live |
| SHANGHAI YIFENG ELECTROMECHANICAL LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI YIFENG ELECTROMECHANICAL DEVICES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI YINGDELI ELECTROMECHANICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| FUJIAN YINJIA ELECTROMECHANICAL CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI YIPIN ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| GERMANY YIXUAN INT'L ELECTROMECHANICAL CO., LIMITED | Private company limited by shares | Live |
| YONGDA HARDWARES ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI YOUNIKE ELECTROMECHANICAL LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI YUANDONG ELECTROMECHANICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI PEOPLE ELECTROMECHANICAL YUANDONG SHARES LIMITED | Private company limited by shares | Live |
| XINJIANG YUANDONG GROUP ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI YUANZHI ELECTROMECHANICAL CO., LIMITED | Private company limited by shares | Dissolved |
| HK YULONG ELECTROMECHANICAL CO., LIMITED | | Live |
| SHANGHAI YUTAO ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| ZHAOQING BOLAIDA ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| ZHAOQING LITUO ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| Weihai Zhong One Qi Electromechanical Limited | Private company limited by shares | Live |
| NANJING ZHONGSHAN ELECTROMECHANICAL LIMITED | Private company limited by shares | Live |
| Zhongxiang Xinyu Electro-Mechanical Manufacturing Limited | Private company limited by shares | Live |
| ZHUJI GAMA ELECTROMECHANICAL MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| Zungsun Electromechanical Limited | Private company limited by shares | Live |