customer items:
1 pre-sale:Accept customers' inquery,and provide optimal solutions;
2 after-sale:Deal with all kinds of problems such as reprocessed products;
3 warranty:Products are replaceable in three months and repairable in one year.

product items:
1 Usb flash drive:Style,material,color,capacity,function,pre-loading data are optional;
2 SD card:Style,Material,color and capacity are optional;
3 MP3:Style,material,color,capacity,function are optional.

processing items:
1 Each process is under the control of a preson specially appointed;
2 Lead time is short;
3 QC control.

FAQ
1 F:should Sample,dummy be paid?
   Q:sample is chargeable,but dummy not.
2 F:What is the warranty?
   Q:replaceable in three months and repairable in one year.