ダイヤ石油

Dia Oil Co., Ltd., which operates a service station in Hiroshima Prefecture, has a policy of "total car service" and "contribution to a safe and comfortable car life" based on close relationships with drivers and local people, and petroleum products. Through a stable supply of petroleum products, car supplies, and lifestyle-related products, we have earned the patronage and trust of the local people and provide a wide range of services so that they can be used casually.
Our official app "Diamond Oil" allows you to easily make reservations for car wash and coating, manage maintenance of your car, and also distribute discount coupons and discount information for various menus that can be used at our shop. ..


*** Main functions ***

■ App-only discount service
It is possible to receive various services at a discount.

■ App limited coupon
You can use the coupon issued by our shop.
Car maintenance such as oil change can be used even more profitably with coupons.
We will update and deliver a large number of coupons from time to time, so please use it.

■ Notice of campaign / latest information
We will deliver information on the campaigns being carried out at our shop and various latest information.
Don't miss it as it is packed with great deals.

In addition, you can register and change your car information on the members-only page.


"Diamond Oil" is free to download and use.


We will provide a full range of services so that our customers can have a comfortable car life.
For total support for your car, leave it to Dia Oil Co., Ltd.'s app "Dia Oil"!


* Please note that the services handled may differ depending on the store.


Recommended OS: Android 8 or above

* When using this app, the authentication number distributed by the store is required. If you do not have an authentication number, please contact the store.