Compared with other rigid supports, mine roof supports are more retractable and stable and reliable in load-bearing capacity, adapt to the load and deformation of soft surrounding rocks, have high sec
Support arch is a kind of passive support equipment for coal mine support. Support arch has high tensile strength, high compressive strength, and good toughness, high supporting force, strong supporti
Steel arch support has the advantages of high initial support, high support strength, easy installation, and non-deformation. Therefore, it is often used to manufacture roadway shrinkable metal suppor
The safety of coal mines has always been a top priority for mining companies. It is particularly important to choose high-quality mining equipment. How to choose a steel mine support should be a probl
The tunnel roof support is not only a mining support product, but also a "concealed" hero in the mine support system. The tunnel roof support of the tunnel plays a very important role in the support s
The underground roof support has the characteristics of high pressure, long support time, easy installation and not easy to deform. It is a kind of steel with a cross-sectional shape like the English