Our goal is to provide high quality products at competitive prices, and whole heartedly service to customers around the world. We are ISO9001, CE, and GS certified and strictly adhere to their quality specifications for IADC417 core drill bit, pdc 6" for oilwell, pdc bit for well drilling, METAL SEAT SWING CHECK VALVE,6"TCI bit IADC417. On account of superior excellent and aggressive rate , we will be the sector leader, make sure you don’t hesitate to contact us by cellular phone or email, if you're fascinated in al any of our items. The product will supply to all over the world, such as Europe, America, Australia,Las Vegas, Slovenia,Italy, Porto.Our company regards reasonable prices, efficient production time and good after-sales service as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.