best price and good quality ISO 9001 PDC Bits:IntroductionPDC bit uses PDC as main cutting components, with the excellent wear-ability and impact toughness of the PDC. It has a useful life, high-efficiency, and good performance cost ratio.PDC bit is mainly used for drilling soft and medium formation, it work under low drilling pressure,midium-low speed,big drainagWe also can design PDC bits ...