Casio was founded in Japan in 1946 by Tadao Kashio, the founder of Tadao Kashio, who made electrical products, established Casio Co., Ltd. in 1957, entered the electronic organ market in 1979, and launched the new electronic keyboard Sampletone (SK-1) with built-in sampling function in 1986, which sold more than 1 million units. In 1995, it began to enter the Chinese market. In the Chinese market, Casio electronic keyboards basically occupy the beginner and low-end markets together with Yamaha. Its electronic keyboard products are also suitable for young beginners, with low timbre fidelity and no outstanding handling. The price is plain, the cost performance is medium, and it is more inclined to entertainment and leisure.