| 1. | Practice and result of middle coal rewashing process
增设中煤再洗工艺的实践与效果 |
| 2. | Standard practice for collection of coal samples from core
芯中煤样品的收集的标准操作规程 |
| 3. | Zhuozhou construction and engineering company huayilou hotel
中煤涿州建筑工程公司华谊楼饭店 |
| 4. | Plant , china coal , meini , coke sales
精煤、中煤、煤泥、焦炭销售。 |
| 5. | Study on separating middlings in self - production medium cyclone
自生介质旋流器洗选中煤的尝试 |
| 6. | Reform of boiler rear arc and burning technique of medium coal
蒸汽锅炉后拱改造及燃烧中煤技术 |
| 7. | Standard practice for tonnage calculation of coal in a stockpile
计算料堆中煤吨数的标准实施规程 |
| 8. | Study and prevention for middlings group water hazard in haizhi coal mine
海孜煤矿中煤组水害的研究与防治 |
| 9. | Standard practice for collection of channel samples of coal in a mine
矿井中煤通道样品收集的标准实施规程 |
| 10. | Project of electricity generation utilizing coal , waste coal and mid - coal
项目名称：煤矸石中煤发电厂项目 |
