"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence for Hollow Drill Steel, tapered drill rod, Conical Button Bits, QL80,Button Rock Drill Bits. For more information, please send email to us. We are looking forwards the opportunity to service you. The product will supply to all over the world, such as Europe, America, Australia,Bhutan, Guinea,Latvia, Spain.We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.