Xi'an Tydrillbits Co., LTD was founded in 2008. We are mainly engaged in kinds of PDC drill bits which are widely used in coal mining and water well drilling, geological drilling and other ore mining. Our main products are PDC concave bits, PDC flat sintered drill bits, PDC bolt bits, PDC drag bits, core drill bits and casing shoe, carbide drill bits such as taper button bits, carbide cross bits, chisel bits, coal cutter picks, road milling picks, etc. If you are interested in any of them, welcome to contact us freely.