Yichun Pneumatic Tool Limited Company(the original Yichun Pneumatic Tool Factory, national second large-scale enterprise)was built in 1960,and has been engaged in the design and manufacture of rock drill, technological equipment, scale of production and export profit hold a safe lead among the same trade in China .Up till the present moment, it is the only domestic producer which can provide the army with internal-combustion rock drills and other rock drill equipments, it's also the largest-scale export base of internal-combustion and other kinds of rock drills