Blast hole drill have successively been developped in our company since the end of 1970's which have occupied 68% of the market s in China at present. And entered the international markets. Then technology of full numeric control. DC speed-adjusting and AC frequency conversion speed-adjusting Techniques have reached the international leading level. Among them.

Blast hole drill has won the first prize of national science and technology progress and golden medal of national quality assurance. The blast hole drill Yz series, as one of the three main euipment of mining kits for 10 Milion tons open pit. Has also won the national commendation of heavy technical euipment and natioanl top grade commendation of science and technology progress.