| Shandong Pumei Intelligent Equipment Co., Ltd | 2020-04-20 | Underground Explosion-Proof Motor, Supporting Equipment, Mining Equipment | 3000K CNY | Didukung |
| Jining Wanda Machinery Equipment Co., Ltd | 2015-11-20 | Underground Explosion-Proof Motor, Reciprocating Coal Feeder, Pipeline Explosion Suppression Device | 500K CNY | Didukung |
| Shandong Huayu Heavy Industry Machinery Co., Ltd | 2020-12-17 | Underground Explosion-Proof Motor | 5000K CNY | Tidak didukung |
| Shandong Zhongtan Intelligent Equipment Co., Ltd | 2022-03-01 | Underground Explosion-Proof Motor, Lifting Equipment, Instrumentation And Meters | 10000K CNY | Didukung |
| Henan Zhongtong Engineering Equipment Co., Ltd | 2015-04-14 | Underground Explosion-Proof Motor, Coal Mine Underground Electric Locomotive, Electric Locomotive | 6000K CNY | Didukung |
| Shandong Mingshun Machinery Manufacturing Co., Ltd | 2016-04-05 | Underground Explosion-Proof Motor, Overhead Electric Locomotive, Explosion Proof Electric Locomotive | 3500K CNY | Tidak didukung |
| Jining Renxing Industrial and Mining Equipment Co., Ltd | 2020-04-22 | Underground Explosion-Proof Motor, Single Support Type, Mine Car Track Category | 500K CNY | Didukung |
| Jining Zhongtian Industrial and Mining Materials Co., Ltd | 2016-03-14 | Underground Explosion-Proof Motor, Spraying Equipment, Hydraulic Wrench | 1000K CNY | Didukung |
| Shandong Kolaite Machinery Technology Co., Ltd | 2018-09-18 | Underground Explosion-Proof Motor, Overhead Electric Locomotive, Lithium Battery Electric Locomotive | 3000K CNY | Tidak didukung |
| Zibo Shengke Electric Co., Ltd | 2026-01-08 | Underground Explosion-Proof Motor, Motor With Coal Safety Certificate, Three Phase Asynchronous Motor | 3000K CNY | Tidak didukung |