1. Shipment:How long will it take to deliver goods? We will ship the goods within 1-3 days after your payment. And we will send you the tracking number the next day after the goods are shipped.2. After-sale service:What about the warranty you offer? We provide 12 months warranty for all products. There is no warranty if:1). Man-made damage;2). The products have been used already;3). Our label is broken.How is the After-sales service?1).We have a huge team which is in charge of after-sales service, also a service hotline dealing with buyers' complains and feedback.2).We offer 24 hours online service to help buyers solving problems.3).We offer buyers the market information updated regularly.3. Sample order:Can i buy one sample to test quality? Yes,sample order is welcome.