Brief introduction of Sino-Coal International Engineering Group and Sino - Coal International Engineering Design & Research Institute4-5
Review the past,look forward to the future and catch up with the current of time to strive for new achievements田会6-9
Considerations on realizing the goal of reducing losses and increasing profits of coal enterprises杨立锦10-11
Design reformation and the practice for development and construction of the northern district of Jining mining area何芳现18-22
Brief analysis of the design of ventilation equipment for middle and small underground mines井士娟, 周波27-28
