We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for Deep, Metal Core Drill Bit, Pdc Bit 16" 7 Blades, 197mm Power Section,Tricone Drill Bit. We warmly welcome friends from all walks of life to seek mutual cooperation and create a more brilliant and splendid tomorrow. The product will supply to all over the world, such as Europe, America, Australia,Egypt, Tunisia,Mauritania, Karachi.Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!