... quantity, the materials price.freight and so onGuaranty Period1,we accept the exchange for the own defects within one week2 ... long-term customers.3.if you need the other warranties,we can also have a consideration.Packaging detailInner Packing: 1 ... CartonWe can pack products according to your requirementsShippmentWe usually ship the goods by specialized express company,such as EMS,FEDEX,DHL,TNT ...