Drilling precise holes in reinforced concrete, bricks, or standard concrete demands specialized equipment. Thus, a diamond core drill is the ideal tool for these challenging jobs. Here's a clear, step-by-step guide on achieving perfect holes every time using diamond core drill bits.
[pdf] In 1986, Lianhuashan Drilling Tools Co., Ltd. introduced a full set of HYD200 hydraulic rock drill production technology from France Secoma Company and successfully produced China's first hydraulic rock drill.
[pdf] Compared with the drill and blast method, TBM tunnelling has significant advantages with high construction efficiency, low project cost, conducive to environmental protection, favorable stability contr.
[pdf]