The main features of the steel arch support are: high pressure, long supporting time, easy installation and easy deformation. It is mainly used for the support of mine tunnel, which has the ability of

U-shape steel support (full name: the mine roadway support in hot rolled U steel) u-shape is a cross section like the English letter "U" steel, sometimes angled bystreet Japanese letters "ひ" shape.

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