It belongs to Deli Group, one of the world's top 100 musical instrument enterprises, and has been rated as a "strong company in China's musical instrument industry" for many years, and was unique in China's electronic organ market in the 80s. In 1996, it took the lead in passing the ISO9000 international quality system certification in the industry, and in 2004, it authorized the revision of the national standards of "General Technical Conditions for Electronic Organs" and "Environmental Test Requirements and Test Methods for Electronic Keyboards", and in 2008, it authorized the drafting of industry standards for "General Technical Conditions for Electronic Drums" and "General Technical Conditions for MIDI Keyboards". Its products have a good response, such as A800, the keyboard feel, timbre fidelity and so on are relatively good, but there are "current sound" defects, and it is susceptible to electromagnetic interference. In the low-to-mid-end price range, Medeli is still a good choice.