| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | High Strength Bit, Steel Products, Explosion-Proof Electrical Equipment | 10000K CNY | Pris en charge |
| Shandong Aolai Machinery Co., Ltd | 2019-11-04 | High Strength Bit, Construction Machinery, Hydraulic Machinery | 3000K CNY | Non pris en charge |
| Shandong Pumei Intelligent Equipment Co., Ltd | 2020-04-20 | High Strength Bit, Rescue Products, Supporting Equipment | 3000K CNY | Pris en charge |
| Shandong Feite Geotechnical Drilling Tools Co., Ltd | 2014-12-23 | High Strength Bit, Coal Mining Machine Cutting Teeth, Coal Cutting Teeth | 50000K CNY | Non pris en charge |
| Zhoukou Yaxin Mining Machinery Co., Ltd | 2016-05-26 | High Strength Bit, Scraper Machine Accessories, Pick | 50010K CNY | Pris en charge |
| Zhoukou Yuxi Mining Machinery Manufacturing Co., Ltd | 2020-03-31 | High Strength Bit, Tooth Seat, Dental Guard | 2000K CNY | Non pris en charge |
| Shandong Yaxin Mining Machinery Co., Ltd | 2020-07-29 | High Strength Bit, Infinite Speed Reducer, Dumbbell Sales | 10000K CNY | Pris en charge |
| Shandong Hengkuang Machinery Equipment Manufacturing Co., Ltd | 2019-12-11 | High Strength Bit, Self Moving Machine Tail Accessories, Scraper Press Chain Device | 5000K CNY | Pris en charge |
| Shandong Shenhua Machinery Manufacturing Co., Ltd | 2014-11-11 | High Strength Bit, Large-Scale Equipment, Drainage Equipment | 30000K CNY | Non pris en charge |
| Shandong Aide Industrial Co., Ltd | 2012-02-14 | High Strength Bit, Arc Toothed Ring, Gear Seat Gear Sleeve | 50000K CNY | Non pris en charge |