| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | Column Shoes, Steel Products, Explosion-Proof Electrical Equipment | 10000K CNY | 지원 |
| Middling coal Industry and Mining Materials Group Co., Ltd | 2001-04-23 | Column Shoes, Large-Scale Equipment, Spraying Equipment | 100000K CNY | 미지원 |
| Shandong Anrui Mining Equipment Co., Ltd | 2018-02-22 | Column Shoes, Pneumatic Control Box, Intrinsic Safety Network Switch | 10000K CNY | 미지원 |
| Shandong Pumei Intelligent Equipment Co., Ltd | 2020-04-20 | Column Shoes, Rescue Products, Supporting Equipment | 3000K CNY | 지원 |
| Zhongzhong Intelligent Equipment Co., Ltd | 2018-11-14 | Column Shoes, Ventilation And Safety Equipment, Chemical Industry | 50000K CNY | 지원 |
| Huakuang Heavy Industry Co., Ltd | 2019-05-31 | Column Shoes, Supporting Equipment, Road Machinery | 50000K CNY | 지원 |
| Huakuang Heavy Industry Co., Ltd. First Branch | 2023-02-10 | Column Shoes, Lifting Equipment, Steel Products | - | 지원 |
| Shandong Zhongkuang Intelligent Equipment Co., Ltd | 2019-04-22 | Column Shoes, Lifting Equipment, Spraying Equipment | 10000K CNY | 지원 |
| Shandong Liming Machinery Equipment Co., Ltd | 2023-12-25 | Column Shoes, Mining Machinery And Equipment, Instrumentation And Meters | 5000K CNY | 지원 |
| Shandong Likuang Heavy Industry Machinery Co., Ltd | 2023-11-03 | Column Shoes, Instrumentation And Meters, Spraying Equipment | 30000K CNY | 지원 |