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

Mine roof supports are an important part of mine support equipment. Due to the rapid development of mining, the use of mine roof supports has become more and more widespread. However, in the field of

Support arch are mainly used in scenes such as underground tunnels and roadway support in coal mines; stable performance, reasonable structure, excellent strength and rigidity, and meet various indust

On the morning of July 30, a batch of new steel arch support equipment was loaded in the intelligent equipment manufacturing workshop of China Coal Group, and then sent to a mine in Heilongjiang and a

Steel mine support is a kind of passive support for coal mine support. Steel mine support has high tensile strength and compressive strength. At the same time, the steel mine support has good toughnes

The tunnel roof support has the characteristics of light support, strong corrosion resistance, easy operation, high strength, and large support. Tunnel roof support is widely used in coal mine roadway