Sinorock® had passed ISO9001 certification in July 13, 2012, the integration of the system of management of several, our company reach the international standard. Sinorock® is committed to continue to provide stable customer expectations and satisfaction of qualified self drilling bolt products. We’re Sinorock, a qualified self drilling bolt manufacturer that is leading the way in ground control technology for the mining, tunneling and civil construction industries.Sinorock has designed a solution to ensure increased safety in a long-time problem area for the underground mining sector. Our Self drilling bolt system has the high prise in the market.Developed in accordance with set industrial norms, these bolts are severely checked and perfect on all quality parameters.Our extensive ranges of self drilling bolts are designed carefully by our experienced engineers who have a sound knowledge about these components.Our collection of goods includes of R thread anchor system,T thread anchor system,Anticorrosion rock bolt,Rock drill,etc. Delivery ultimate impact:Sinorock! Maintaining quality requires continual improvement in processes and development of all staff. And we can do that for being the quality self drilling bolt manufacturer for construction around the worldwide.