Our purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Oilfield Tricone Bit, Tricone Rock Bits, Hole Openers, Rock Steel Tooth Bit,Used Oilfield Drill Bits. We sincerely hope to establish some satisfactory relationships with you in the near future. We will keep you informed of our progress and look forward to building steady business relations with you. The product will supply to all over the world, such as Europe, America, Australia,Porto, New Orleans,Ghana, Kuwait.With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.