Baihang - Development, customization, and production of motorcycle speedometers and PCB boards.
Yes,We have professional QC for checking each item to make sure all you get are in good condition.If there is any item with non-artificial damage damage,we can do exchange for you within half year after you send back the item to us.Meanwhile we will pay for the shipping of sending replacement to you and you will need to pay for the shipping of sending back.