Nanjing Shuihuanzhiyin Information Technology Co., Ltd. was established on 4 November 2014, with its registered office located in Jianye District, Nanjing. Its principal business encompasses computer software and hardware development, game development and operation, and music production. The company evolved from the music game and portal website ‘AQUATRAX’, founded in 1999, with its core team possessing extensive experience in developing music-based internet products.

On 26 September 2016, the company had secured angel and strategic investment from Bilibili thus launched the music game Zyon. This product has achieved top rankings in music game categories across China, Japan, and South Korea. On 21 June 2022, the company has completed its deregistration.

Simplified Chinese: 水幻之音