| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | Crawler Type Down The Hole Drilling Rig, Support Category, Road Machinery | 10000K CNY | Supportato |
| Hebei Keqinda Mining Equipment Co., Ltd | 2018-03-29 | Crawler Type Down The Hole Drilling Rig, Core Drilling Rig, Tunnel Core Drilling Rig | 60000K CNY | Non supportato |
| Jining Dingdong Machinery Equipment Co., Ltd | 2018-01-23 | Crawler Type Down The Hole Drilling Rig, Other Machinery, Road Machinery | 3000K CNY | Non supportato |
| Shijiazhuang Jinbide Equipment Manufacturing Co., Ltd | 2021-02-24 | Crawler Type Down The Hole Drilling Rig, Rope Core Drilling Rig, Fully Hydraulic Tunnel Exploration Drilling Rig | 51000K CNY | Non supportato |
| Nanjing Nandi Drilling Machinery Co., Ltd | 2010-06-25 | Crawler Type Down The Hole Drilling Rig, Geological Drilling Rig, High Speed Drilling Rig | 12000K CNY | Non supportato |
| Shandong Zhongwei Engineering Machinery Equipment Co., Ltd | 2021-11-18 | Crawler Type Down The Hole Drilling Rig, Sand Pump, Hydraulic Winch | 10000K CNY | Supportato |
| Shandong Yugong Intelligent Equipment Group Co., Ltd | 2019-11-25 | Crawler Type Down The Hole Drilling Rig, Demolition Robot, Snowmaking Machine | 50000K CNY | Supportato |
| Shandong Rongxiang Industrial and Mining Machinery Equipment Co., Ltd | 2020-04-14 | Crawler Type Down The Hole Drilling Rig, Mining Transportation Equipment, Mining Winch | 10000K CNY | Supportato |
| Shandong Longzuan Heavy Industry Machinery Co., Ltd | 2025-05-23 | Crawler Type Down The Hole Drilling Rig, Hydraulic Core Drilling Rig, Diesel Drilling Rig | 3000K CNY | Non supportato |
| Jining Lizhen Engineering Machinery Equipment Co., Ltd | 2021-09-27 | Crawler Type Down The Hole Drilling Rig, Drilling And Pulling Machine, Civilian Water Well | 100K CNY | Non supportato |