As a speicializes manufature of rock bolt in China, we supply kinds of high quality support products, such as threas bar, hollow rock bolt, seld-drilling rock bolt, FRP&GFRP rock bolt.With abundant bunds and great R&D capicilty,our company has several rock bolt product lines. We can also supply rock bolts according to customer's requirements.
Common hollow anchor bolt consists of anchor rod, anchor head, grouting stopper, arch plate and nut. The anchor rod is made ...
read moreCommon hollow grouted rockbolt consists of five parts, namely, anchor rod, ...
read moreDistressed hollow anchor bolt consists of steel shell-expansion anchor head, hollow anchor rod, grouting stopper, arch plate ...
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