Point anchoring rock boltis composed of screw thread steel bar , high strength plate ...

Chemical rock bolt (Prestressed Bolt) : Thread bar Bolt is composed of screw thre...

(1) The bolts have high strength stress ,good support capacity can prevent the roof f...

grout bolt(Prestressed Bolt) : Thread bar Bolt is composed of screw thread steel b...

Installation Procedures 1.Drill a hole with punch according to the diameter ...

(1) The bolts have high strength stress ,good support capacity can prevent the roof f...

All Threadbar Bolt(Continuous Thread Rock Bolt): All Threadbar Bolt is used toget...

How to work Slit wedge rock bolt has five parts : wedge,rod,plate,spherical washe...

Feature : (1) The bolts have high strength stress ,good support capacity can preve...

Grouting Cable Bolt Cage Cable Bolt is made of steel strand,and have better suppo...

1.FEATURES : (1) Be made of steel strand,and has incomparable flexible capacity an...

1.FEATURES : (1) Be made of steel strand,and has incomparable flexible capacity an...