Due to the collapse of coal mines, iron ore, etc., or collapse, etc., and various external factors cause deformation of some parts of the roadway, which seriously affects the safe use of mine roadways

U-shaped steel arch support is a kind of passive support for underground roof support. It has high tensile strength and compressive strength, and has good toughness performance. It has high supporting

Support arch is a kind of consumable in the field of support that is in great demand. Support arch requires reliable production lines from manufacturers to ensure quality, safety and reliability. Comp

Due to the collapse of coal mines, iron ore, etc., or collapse, etc., and various external factors cause deformation of some parts of the roadway, which seriously affects the safe use of mine roadways

Compared with other rigid supports, Tunnel Roof Support has the ability to be contracted, stable and reliable. It adapts to the load and deformation of soft surrounding rock, has high section utilizat

Steel arch support is a kind of passive support for coal mine support. It has high tensile strength and compressive strength, and at the same time has good toughness, high supporting force and strong