Before selling:
       You only a telephone, FAX or hair E- MAIL, we would according to your request to be speedy to give you a contents well-found, meet the detailed data that you request.If you prohibit or have the other request to our product confidence, our sale the personnel will treat with the quickest speed.

After selling: 
       The user of any usage this enterprise product, our metropolis do not account cost earth, ground offering the whole users be hard up for product reaches agreement definitely other the whole questions, fulling the service that attain the " client highest"