| Tianjin Cable Factory Rubber Cable Factory | 1993-08-16 | Mine Communication Fiber, Flame Retardant Power Cable, Yc-J Steel Wire Reinforced Rubber Sheathed Flexible Cable | 36180K CNY | Không hỗ trợ |
| Tianjin Jinlan Cable Co., Ltd | 2021-03-18 | Mine Communication Fiber, Eib Cable, Mining Power Cable | 20000K CNY | Không hỗ trợ |
| Zhongzhong Intelligent Equipment Co., Ltd | 2018-11-14 | Mine Communication Fiber, Supporting Equipment, Large-Scale Equipment | 50000K CNY | Hỗ trợ |
| Huakuang Heavy Industry Co., Ltd. First Branch | 2023-02-10 | Mine Communication Fiber, Ventilation And Safety Equipment, Spraying Equipment | - | Hỗ trợ |
| Tianjin Cable Factory First Branch | 1980-06-21 | Mine Communication Fiber, Mining Optical Cable, Mining Network Cable (Category 5E) | 13800K CNY | Hỗ trợ |
| Shandong Luxintong Optoelectronics Technology Co., Ltd | 2016-10-20 | Mine Communication Fiber, Tension Clamp, Opgw Cable | 58000K CNY | Không hỗ trợ |
| Tianjin Jinrunda Cable Co., Ltd | 2021-12-03 | Mine Communication Fiber, Communication Cable For Mine, Control Cable | 30000K CNY | Hỗ trợ |
| Dazheng Electric Wire Co., Ltd | 2007-05-16 | Mine Communication Fiber, Expansion Wire, Aluminum Clad Steel Stranded Wire | 105000K CNY | Không hỗ trợ |
| Langfang Jin Cable Co., Ltd | 2019-05-22 | Mine Communication Fiber, Computer Cable, Communication Cable For Mine | 5000K CNY | Không hỗ trợ |
| Hebei Xinhuanyuan Cable Co., Ltd | 2020-12-08 | Mine Communication Fiber, Mining Frequency Conversion Cable, Rs485 Communication Cable | 110000K CNY | Không hỗ trợ |