4.-If you A large number of purchasing pls contact us ,will give you a best price About Warranty 1.- One year guarantee. 2.- If the item is defective upon receipt, it should be within 7days from the date of receipt for exchange a new one (Buyer should return all original and undamaged items under re-saleable condition). 3.- We supply free repairing service within one year of purchase. For the first 1 month, we will pay one way shipping cost( from us to your location); After 1 month of purchase, the buyer need to pay two ways of shipping cost. 4.- One we get the returned items, we will send the replaced ones back as soon as possible. 5.- Our warranty does not extend to any products that are physically damaged or under un-normal operating conditions as a result of misuse or improper installation on the parts. About Shipment 1.- We can ship the products all the world. 2.- DHL, FedEx, TNT, UPS, EMS, China Post, singapore post ,Hongkong Post are all available. all have tracking number 3.- The item will be sent out with 3days after receiving the payment. 4.- Please make sure your delivery address and contact telephone number are correct when you bid the item. 5.- You can track the situation of your product on website after they are shipped out. About Feedback 1.- your feedback is very important to our development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. Thanks a lot for your time. 2.- Our program will leave back the same feedback to you after your positive feedback. 3.- Please contact us before you leave a neutral or negative feedback, we will try our best to solve the problems.