The main models are G10, G15, B37, B47, B67, B87, SL80, YN27C, YO18, Y19A, YO20, Y24, Y26, YT24, YT26, Perforadora Shenyang YT27, Tianshui YT28, Shenfeng YT29A Perforadora, YSP45 hand held and pusher leg rock drills, which could be used with our small hole tapered drilling tools, which are widely used in energy, construction projects etc.