Drill rig characteristics 1. Centralized handles, easy operation, safe and reliable 2. Lightweight, high detachability 3. Easy transportation 4. Can drill hard rocks, there are two kinds of drill bits ST series Core Drilling Rigs are suited for the applications of general exploration and investigation, geophysical prospecting, road and construction survey, blast holes and other drilling operations. This drill rig be applicable to solid mineral bed explores and work the distance geology investigates etc,drills a hole and every kind of concrete construction check bore. Applications 1. With hydraulic automatic feeding device, elevated drilling efficiency. 2. The holding mechanism with upper spherical jaws is used as substitute for chuck. The rod can be replaced without shutdown. 3. Centralized handles, easy operation, safe and reliable. 4. The drilling machine, pump and Diesel engine are installed on a common base frame in order to have a compact structure and occupy small field area. 5. Lightweight, high detachability, easy transportation and suitable for the operations in plains or mountain areas.