Yamada denki, founded in 1973, is the largest electrical appliance seller in Japan, the second largest electrical appliance chain store in the world and a fortune 500 enterprise. In 2005, yamada denki became the first Japanese professional chain store to achieve sales of 1 trillion yen, and took the lead in establishing a marketing network in 47 prefectures and counties across the country, firmly occupying the first position in the domestic household appliance retail industry in Japan. The company has established the business philosophy of "providing high-quality goods at reasonable prices" and actively strives to provide customers with comfortable and convenient life under the slogan of "for your justice".