Water Well Drilling Rig is a truck-mounted rotary drilling rig. The model is mainly used for hydrological geology and water well drilling in clay, sand and bedrock layers. It can also perform the detection and exploration of underground water as well as construction of underground tunnels, ventilation holes, etc. Equipped with various drilling devices, this rig can be applied for other drilling purpose, e.g. mineral drilling. It has great mobility and can drill from 150m up to 1,000m under different geological conditions.