There are two wings, three wings, pyramid drill, reaming drill bit, combination drill, mainly used in exploring water rig, rock drills, inquire about the water hole, blast hole, models 35,42,50,60,75,100,120 Division I The main products are divided into six series, more than 80 varieties, including the PDC drill bit; cone bit series; diamond drill series; carbide drills series; impact rotary drill bit; drill series. Systematic production and management, excellent technical staff make us the special needs of customers, design drawings for production.