Mine roof support can not only significantly improve the support effect of roadway, but also enhance the stability of surrounding rock. Mine roof support can also save a lot of transportation and main

The steel arch support can be made by centralized prefabrication or on-site prefabrication for a certain construction site.On-site prefabrication of steel arch support must choose a flat and open site

On the morning of December 7, the 2023 annual council meeting of Jining City Confucian Culture and Enterprise Development Association was grandly held in the conference center of China Coal Group.

Steel Arch Support is a steel support set along the perimeter of the section during tunnel construction.

Due to the collapse of coal mines, iron ore, etc., or collapse, etc., and various external factors cause deformation of some parts of the roadway, which seriously affects the safe use of mine roadways

U-shaped steel arch support is a kind of passive support for underground roof support. It has high tensile strength and compressive strength, and has good toughness performance. It has high supporting