HAN-D50-DTH(Ingersoll Rand CM351) pneumatic crawler drilling rig is sold to Middle East again.

HAN-D50-DTH pneumatic air crawler drilling rig is designed and manufactured base on Ingersoll Rand CM351 since1980s'.Then we combine the continuous feedback from the users and continuously improve and perfect the technology, and finally become the invisible champion of China-made DTH pneumatic crawler drilling rig. The reliable quality has proven by the market for 40 years. All the parts are interchangeable with the original Ingersoll Rand CM351 DTH pneumatic crawler drilling rig.