Hot-rolled U-shaped steel arch support for mine roadway support is the U-shaped tunnel roof support that everyone often calls. U-shaped steel is a kind of steel whose cross section resembles the Engli

In order to prevent the roadway from continuing to deform, causing roadway damage or landslide accidents, paving the way for the re-activation of the mine, the Mine Roof Support is generally selected,

Tunnel Roof Support is the most commonly used top beam in roadway support. Tunnel Roof Support is heat-welded with two root Steel Arch Supports. Tunnel Roof Support is mainly used for the support of c

1. The hydraulic support worker must be familiar with the performance, structure, principle and hydraulic control system of the hydraulic support, master this operating procedure, be able to maintain

The U-shaped steel arch support is a kind of steel with a cross-sectional shape like the English letter "U". The cross-sectional shape, geometric parameters and material of U-shaped tunnel roof suppor

Compared with other rigid brackets, the U-shaped steel arch support has a shrinkable and stable and reliable bearing capacity, adapts to the load and deformation of the soft surrounding rock, has a hi