Taiye 670-DTH is a small integrated surface hydraulic down-the-hole drilling rig equipped with a two-stage screw air compressor. Its hole range is 115-152mm, it is easy to maintain. It has a hydraulic motor and a chain propulsion system, which can output stable power during operation. Compared with many huge integrated hydraulic down-the-hole drilling rigs, it is small in size, more flexible and convenient, and has less capital investment. It is suitable for small and medium mines, quarries and municipal engineering construction fields.