| Shandong Pumei Intelligent Equipment Co., Ltd | 2020-04-20 | B22 Drill Pipe, Rescue Products, Supporting Equipment | 3000K CNY | 対応 |
| Jining Wanda Machinery Equipment Co., Ltd | 2015-11-20 | B22 Drill Pipe, Anchor Drilling Rig, Waterproof And Airtight Door | 500K CNY | 対応 |
| Zhongtan Intelligent Technology (Jining) Institute | 2022-10-09 | B22 Drill Pipe, Ventilation And Safety Equipment, Rescue Category | 1000K CNY | 対応 |
| Huakuang Heavy Industry Co., Ltd. First Branch | 2023-02-10 | B22 Drill Pipe, Lifting Equipment, Steel Products | - | 対応 |
| Zhoukou Yaxin Mining Machinery Co., Ltd | 2016-05-26 | B22 Drill Pipe, Scraper Machine Accessories, Pick | 50010K CNY | 対応 |
| Middling coal Intelligent Equipment Co., Ltd | 2019-05-16 | B22 Drill Pipe, Supporting Equipment, Explosion-Proof Electrical Equipment | 50000K CNY | 対応 |
| Shandong Zhongkuang Intelligent Equipment Co., Ltd | 2019-04-22 | B22 Drill Pipe, Lifting Equipment, Spraying Equipment | 10000K CNY | 対応 |
| Shandong Yaxin Mining Machinery Co., Ltd | 2020-07-29 | B22 Drill Pipe, Infinite Speed Reducer, Dumbbell Sales | 10000K CNY | 対応 |
| Shandong Rock Drilling Tools Co., Ltd | 2012-07-05 | B22 Drill Pipe, Connecting Sleeve, Trolley Drill Rod | 184000K CNY | 非対応 |
| Shandong Huayu Heavy Industry Machinery Co., Ltd | 2020-12-17 | B22 Drill Pipe, Rescue And Rescue, Construction Engineering | 5000K CNY | 対応 |