| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | Explosion Proof Mobile Substation, Steel Products, Explosion-Proof Electrical Equipment | 10000K CNY | Supportato |
| Middling coal Industry and Mining Materials Group Co., Ltd | 2001-04-23 | Explosion Proof Mobile Substation, Large-Scale Equipment, Spraying Equipment | 100000K CNY | Non supportato |
| Shandong Pumei Intelligent Equipment Co., Ltd | 2020-04-20 | Explosion Proof Mobile Substation, Rescue Products, Supporting Equipment | 3000K CNY | Supportato |
| Zhejiang Fujie Electric Co., Ltd | 2006-03-03 | Explosion Proof Mobile Substation, Mining Distribution Box, Mining Dry-Type Transformer | 60000K CNY | Non supportato |
| Baoding Jintaichang Electric Power Equipment Co., Ltd | 2009-02-26 | Explosion Proof Mobile Substation, Dry-Type Transformer, All Copper Core Dry-Type Transformer | 11000K CNY | Non supportato |
| Huakuang Heavy Industry Co., Ltd. First Branch | 2023-02-10 | Explosion Proof Mobile Substation, Lifting Equipment, Steel Products | - | Supportato |
| Shandong Zhong'an Intelligent Equipment Co., Ltd | 2019-11-01 | Explosion Proof Mobile Substation, Temporary Support For Tunneling Machine, Anchor Rod Dynamometer | 3200K CNY | Supportato |
| Shandong Zhongkuang Intelligent Equipment Co., Ltd | 2019-04-22 | Explosion Proof Mobile Substation, Lifting Equipment, Spraying Equipment | 10000K CNY | Supportato |
| Shandong Zhonglu Heavy Industry Co., Ltd | 2023-09-18 | Explosion Proof Mobile Substation, Mechanical Hardware, Energy Saving And Environmental Protection Equipment | 50000K CNY | Non supportato |
| Shandong Guokuang Machinery Equipment Co., Ltd | 2023-04-12 | Explosion Proof Mobile Substation, Rescue And Security, Railway Supplies | 10000K CNY | Non supportato |