With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for Excavator Impact Hammer, Wheel Boring Machine, Rotation-Percussion Drilling, Core Barrel,Hdd Boring Machine. We fully welcome customers from all over the world to establish stable and mutually beneficial business relationships, to have a bright future together. The product will supply to all over the world, such as Europe, America, Australia,Macedonia, Spain,Saudi Arabia, Denver.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.