| Rolls-Royce Marine Manufacturing Ltd. | DAMEN Shipyards Cape Town (Pty) Ltd |
| PH Hydraulics & Engineering Pte Ltd. | Jiangsu Jin Tong Ling Fans Co., Ltd. |
| TTS Marine Equipment Co., Ltd. | ChiefNew Heavy Industry Co., Ltd. |
| Shanghai SEC Machinery & Equipment Co., Ltd. | Jiangyin City Dadi Machine Make Co., Ltd. |
| Mitsubishi Heavy Industries, Ltd. | Wuxi Dongzhou Marine Fitting Co., Ltd. |
| Jiangsu Eastern Heavy Industries Co., Ltd. | Zhenjiang West Marine Equipment Co., Ltd. |
| Daoda Marine Heavy Industries Co., Ltd. | NANTONG RAINBOW HEAVY MACHINERIES CO,. LTD. |
| Nantong Rihua Marine Manufacturing Co., Ltd. | Yangzhou Nakanishi shipbuilding Co., LTD |
| Hydratech Hydraulic Technology Co.,Ltd. | Nantong Mingde Heavy Industry Group |
| Luossavaara-Kiirunavaara AB(LKAB) | Sin Seng Huat Marine Equuipment Co., Ltd |
| DANIELI Changshu Metallurgical Equipment & Service Co., Ltd. | YTO International. Ltd |
| Tontec Technology Investment Group Co., Ltd. | Hisincere Marine Supply & Service Co., Ltd. |
| Nantong Masada Ship Machinery Co., Ltd. | FUJIAN ORIENT SHIPPING CO.,LTD |
| Siemens AG | WEG Elactrical Motor Manufacturing Co., Ltd |
