For a long time, the protection technology of side slope in China is a weak link in road construction. Before the mid-1980s, China mainly has low-grade road, traffic is less, invest is less and the depth of digging is shallow, so it is unn…

Sinorock supplies self-drilling hollow anchor bar, which is a finished steel product used to strengthen concrete for large-scale construction projects. Our products help make bridges, highways, major sports stadiums, high-rise buildings, a…