Since SDA bolt is mainly used in the fault fracture zone advanced support construction, under the complex geological conditions instead of ordinary catheter, overcoming the problems such as hole collapse, unable to plug rod, grouting is not full,ect. which played a supporting role in advance, ensuring the overall stability of the surrounding rock, and the safety of construction personnel and tunnel with good application value.
For nearly five years,Sinorock has been use its self drilling rock bolts for undertaking and executing the toughest engineering and construction projects. It has an admirable track record, a solid experience and a proven strength on delivery norms across its full spectrum of services. Around the world,Sinorock’s projects boost growth in economies and improve the quality of life of millions of people. Its expertise helps businesses generate values from the most challenging circumstances. All this has enabled Sinorock to become a name that is inextricably woven into the rock bolt fabric of China.
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