The steel mine support is mainly used for the secondary support of mine roadway, mine roadway, and the support of the tunnel through the mountain.

The best stress is U-shape steel support after filling dense uniform compression, as used in the surrounding rock on the u-shape set pressure value reaches a certain value, the bracket can produce com

Mine roof support is a new type of mining support material, which is widely used in underground roadways, but also for bridge and railway maintenance. Mine roof support has the best treatment effect o

In daily life, for some daily necessities, or furniture and home appliances, after screening and comparison, we can buy and use it without having to be limited by size and time, but it is different fo

Steel arch supports have the advantages of high initial support force, large support strength, easy installation, and non-deformation. Therefore, they are often used in the manufacture of retractable

Steel mine supports have single-section beams, double-section beams, three-section beams, and attached ground beams. They have the characteristics of high pressure, long support time, easy installatio