The Maxus Global QR System app provides a way for stock-in or stock-out the auto parts for auto parts company‘s customer, distributor, general agents and accessory center. You can order the auto parts by contacting the auto parts company and use this app to stock-in the auto parts. All the auto parts have the unique QR code, select your order number and scan the QR code to complete the stock-in operation of these auto parts. Also you can stock-out the auto parts of yours to other stations, just use the stock-out operation. The accessory center of auto parts company could know the inventory costs of all their customer stations, and can produce more or less auto parts in advance by the demand of the market. Also customers can scan the QR code with theirs mobile phone to know the auto parts they buy is genuine.