The mine roof support is mainly used for mine roadway, secondary support of mine roadway, and support support of mountain tunnel. The use of U-shaped mine roof supports effectively reduces the occurre

The steel arch support is a kind of passive support for coal mine support. It has high tensile strength and compressive strength, good toughness, high supporting force, large supporting strength and c

Tunnel Roof Support, U-shaped Steel Support, U-shaped Tunnel Roof Support

U-shaped support arch is a kind of passive support for coal mine support. It has high tensile strength and compressive strength, good toughness, high supporting force, large supporting strength and ca

The steel arch support has the advantages of high initial support force, large supporting strength, easy installation and no deformation. Therefore, it is often used to manufacture roadway shrinkable

The U steel arch support is a steel with a cross-sectional shape like the English letter "U". The U steel arch support produced by different countries have different cross-sectional shapes, geometric