Shandong China Coal Group Drilling Machine Branch

After rigorous review by the competent authority's recommendation, form review, and expert review, recently, Jining Science and Technology Bureau identified the 2019 Jining High-tech Enterprise List.

The pneumatic roof bolter is suitable for the anchor operation of coal, semi-coal roadway rock and rock roadway whose roof hardness f is no more than 10. It is used for supporting work in coal mine, a

The internal combustion drill is powered by fuel combustion, and it is a hand-held tool composed of small gasoline engine, compressor and drill. Mainly used for drilling downward, horizontal and upwar

Check the integrity and rotation of all parts (including drill, support or drill trolley) before drilling, fill with necessary lubricating oil, check whether the wind road and waterway are smooth and

What is an air leg rock drill? What are the characteristics and advantages of pneumatic leg drilling tools? Operators who need to use mining machinery should know something about the pneumatic leg dri

At the beginning of the new year, sudden pneumonia infected by a new coronavirus raged all over China, affecting everyone's heart. Blocking the new coronavirus pneumonia is a battlefield without gunpo