Sinosun group is a professional manufacturer in making drilling machines. The main products are crawler drills, down hole drill machine, rock drilling tools, and mobile air compressor. These products are widely used in mines, engineering, water conservancy, road building, such as blasting mining engineering, port waterway of underwater rock drilling blasting work. The products can drill holes of different diameter, depth and angle, as blast hole , anchor bolt hole, and grouting hole, survey holes etc. Adapt to a wide range of drilling, high efficiency. Our Open-air hole drill car covers three series: crawler pneumatic drill car, full hydraulic crawler drill, and the integral drill(the drill together with air compressor).