
- MMD Offshore Engineering Ltd.
- Shanghai Yingyue Electromechanical Equipment Co., Ltd.
- Shandong Ocean International Clean Energy Co., Ltd.
- Shanghai Haolin Marine Engineering Co., Ltd.
- Shanghai ocean international limited
- Shanghai ocean international(HONG KONG) limited
- SHHD Precision Limited
- Shandong Marine Mechanical and Electrical Equipment Co., Ltd.
