Fast and fantastic quotations, informed advisers to help you choose the correct products that suits all your needs, a short manufacturing time, responsible good quality control and distinct companies for paying and shipping affairs for IADC417 215.9mm tricone bit, mill tooth bit 149mm, drag pdc bit, tricone bit for HDD drilling,PDC Hole opener for trenchless. We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our factory and purchase our products. The product will supply to all over the world, such as Europe, America, Australia,Juventus, Bangladesh,Canada, Barbados.Good quality and reasonable price are our business principles. If you are interested in our products or have any questions, make sure you feel free to contact us. We hope to establish cooperative relationships with you in the near future.