KQD-145B  down the hold drillis my company design a new type of energy-saving and high efficiency drilling equipment, widely used in medium and small mines and road construction, national defense, water conservancy and the stone in the engineering of deep hole drilling operation, also is the indispensable drilling open-pit mining equipment, especially suitable for other jumbo can't normal operation on a rugged terrain; The machine has compact structure, convenient operation, fast speed, high efficiency, good machine detachable, transportation is extremely convenient.