That has a sound small business credit, great after-sales service and modern production facilities, we've earned an outstanding standing amid our buyers across the earth for rig drill bits for HDD, tri cone bit, Y FILTER, oilwell drillling head,Tri cone bits 311mm. Seeing believes! We sincerely welcome the new clients abroad to build organization associations and also hope to consolidate the associations while using the long-established prospects. The product will supply to all over the world, such as Europe, America, Australia,Cambodia, Dominica,Mexico, UAE.Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. We are looking forward to cooperating with friends from all over the world.