As the national environmental protection and national policies become more and more popular, mining pits can no longer be purchased from natural pine forests but only artificial pine forests. Due to t

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 research on the popularization and application of steel arch supports has improved the safe production conditions of mines and reduced production costs. It is in line with the national policy of r

Steel mine support is a very popular support tool at present. Steel mine support is widely used in coal mine roadway, mine support, underground tunnel engineering support and other scenes. The steel m

Tunnel roof support is a kind of passive support for coal mine support. It has high tensile strength and compressive strength, and also has good toughness, high supporting force and strong supporting

Underground roof support is a kind of passive support for coal mine support. It has high tensile strength and compressive strength, and also has good toughness, high supporting force and strong suppor