It really is a good way to further improve our goods and service. Our mission would be to acquire inventive items to buyers with a very good encounter for CSI, Heart Rate Oxygen Monitor , Oxygen Level Tester , Patient Cable ,Nellcor Doc-10 Spo2 Adapter Cable . Our organization has been devoting that "customer first" and committed to helping clients expand their small business, so that they become the Big Boss ! The product will supply to all over the world, such as Europe, America, Australia,Myanmar , Haiti ,Kenya , Argentina .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 if you have any questions. We are glad to work for every client.