The following is our company’s products list /range: various types of (air-leg) rock, drill (yt 23 /23d /19a /24 /27 /28) etc.\n\nrock drilling machine, down-the-hole driller, rock drilling tools for quarrying, mining, tunneling, chisel bits (tungsten, carbide), cross bits (“+”-type bits &”x”-type bits) button bits (with different buttons, flushing holes on top & side) threaded bits (cross & button type), tapered drilling rods, tapered bits (chisel, cross & button type), thread extension drill rods, tapered drill rod, integal drill rods, extesion rod, shank adapter.