Product Description: xy-2 is a core drilling rig for middle and shallow hole. It applies not only to alloy and diamond core drilling with different calibres but also can be used for geological prospecting works, drilling of fluid mineral in superficial layer and shot holes and ventilation holes drilling, drilling on hydrology, water wells and big calibres. It has been widely used on areas such as road and railway construction, water resources and hydropower and architecture. Product Feature: With hydraulic automatic feeding device, elevated drilling efficiency. The holding mechanism with upper spherical jaws is used as substitute for chuck. The rod can be replaced without shutdown. Centralized handles, easy operation, safe and reliable. 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.