No matter new buyer or old purchaser, We believe in long expression and trusted relationship for Tricone Oil Drill Bits, Hammer Drill Bit, Water Well Drilling Bits, Subs,Oil Drilling Rock Bits. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! The product will supply to all over the world, such as Europe, America, Australia,Slovenia, Niger,Qatar, Norway.The best and original quality for spare parts is a most important factor for transportation. We may stick on supplying original and good quality parts even a little profit earned. God will bless us to do kindness business forever.