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

Support arch is a kind of passive support equipment for coal mine support. Support arch has high tensile strength, high compressive strength, and good toughness, high supporting force, strong supporti

Steel Arch Support is a steel support set along the perimeter of the section during tunnel construction. Generally composed of large I-beam, the main forms are:

The steel mine supports is beneficial to improve the stress state of the support, improve its bearing capacity and maintain the stability of surrounding rock. In order to ensure the safety of mine pro

The tunnel roof support is very cost-effective, but the price will be different due to different specifications. In addition, due to the impact of customer requirements on processing methods and raw m

Underground roof support the best stress state is close-grained filling after the uniform compression, as applied to underground roof support pressure value reaches a certain value, the bracket can pr