Gdrill has been active in the Greek market since 1991, providing high quality products and services. The company's premises (offices, sheltered factory and warehouses) are located in an industrial area of 2500 s.m. in the area of Rentis.
[pdf] This manual describes elementary tools and techniques for hand drilling rock. Although hand drilling is slow work, it is a safe and simple way to prepare rocks for breaking with explosives, wedge and feather sets or expansion chemicals, or to accept anchor bolts.
[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.
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