Q1. About MOQ. The MOQ. is 1 sets for our existing product. Q2. What about the delivery? We can offer the door to door services by air or by sea, just depend on your actual request. Such as DHL, UPS, TNT, FEDEX. Q3. After sale service. 1. We offer an instant 7 days return policy. (7 days after receiving the items) 2. If the items are defective, please notify us within 3 days of delivery. 3. Any items must be returned in their original condition to qualify for a refund or replacement. 4.If you have any question, please contact us via E-mail or Sales manager. Q4. How long is our warranty time? We provide you 1 years warranty time, in 1 years, all the service are free.