Best Value Energy Co., Ltd. is a service station chain that operates primarily in the Kinki region of Japan, and has established a system to constantly support customers' car lives. Our official app, "Best-san," allows users to collect stamps every time they refuel, purchase kerosene, or perform car maintenance. By accumulating a certain number of stamps, users can exchange them for valuable gift coupons. The app also provides exclusive coupons and discount information for registered stores. The main features of the app include the stamp function, where users can collect stamps every time they refuel, purchase kerosene, or perform car maintenance. By accumulating a certain number of stamps, users can exchange them for valuable gift coupons. The app also offers exclusive discount services for various services and coupons issued by registered stores. Users can enjoy further discounts on car maintenance, such as oil changes, by using these coupons. The app regularly updates and delivers a large number of coupons, so please take advantage of them. In addition, the app provides information on ongoing campaigns and various updates at registered stores. Users can receive notifications about campaign information and the latest news. Don't miss out on these great deals and information. Please note that the above services may not be available at all stores. The download and use of "Best-san" is free. After downloading the app, please register your preferred store and start using it. Leave it to Best Value Energy Co., Ltd. to provide top-quality products, reliable technology, and friendly service to support your car in every way possible. Please note that when using this app, you will need an authentication number distributed by the store. If you do not have an authentication number, please contact the store.