Luoyang Sinorock Engineering Material Co., Ltd is a professional manufacturer of self-drilling anchor bolts with ISO and CE certificates. Sinorock products are widely used in railway construction, tunneling, mining, hydropower station, dam, bridge base, foundation reinforcement of buildings. Furthermore, it is workable for the repair of ground subsidence, hole collapse, crack, landslip and other geological disaster. Sinorock adopted the advanced production equipment and strict quality control system to ensure that we can provide customers with low-cost and high quality construction materials. Meanwhile, we devote ourselves to provide clients with a one-stop solution for ground anchor. Sinorock is committed to delivering customers innovative solutions designed to improve safety, productivity, and efficiency. This commitment is backed by continuous investment in research and a highly respected and renowned technical team.