Highwealth Huiguo 90, officially known as Taichung Xitun District Sec.Huiguo Plot 90 Retail & Office Project, is an under-construction, 323.5 m (1,061 ft), 63-storey skyscraper office building that is located next to Top City Shopping Mall in Taichung's 7th Redevelopment Zone, Xitun District, Taichung, Taiwan. Designed by the architectural firm Aedas, the ground breaking ceremony of the building was held on 9 May 2024. Initially, the building was planned to be only 270 m (890 ft) in height, but was later changed to its current height in 2023.