The composite type recyclable bolt(iso)
Anchors are light weight, small size and compact structureaaThe product does not require anchoring agent ,Save money
The Company's expansion cover production recyclable bolt is assembled bolt from the vertebral body and expansion sets, metal rod and accessories.Obtained national patent (ZL0.1260373),Anchors are light weight, small size and compact structure,The product does not require anchoring agent ,Save money Reduce labor intensity save energy and reduce the cost,It can be widely used in coal mine tunnel, culverts, tunnels and other security support areas.
The composite type recyclable bolt(iso)