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

The underground roof supports can be used in the secondary support of mine tunnels and mine tunnels, as well as the support and support of mountain tunnels. The underground roof supports can withstand

Compared with other rigid supports, mine roof supports are more retractable and stable and reliable in carrying capacity. They are mainly used for mine tunnels, secondary support of mine tunnels, and

As the supporting equipment for industrial and mining, the support arch makes coal mine work more smoothly and protects the safety of coal mine workers. Support arch has the advantages of high initial

The steel arch support is also called mine supporting steel, which is mainly used for supporting mine tunnels and roadways. The steel arch support is a key support in coal mining. The steel arch suppo