The Guangzhou–Shenzhen–Hong Kong Express Rail Link (XRL), also known as the Guangshengang XRL, is a high-speed railway line that connects Guangzhou and Hong Kong (Kowloon) via Shenzhen.
Three types of rolling stock that operate along the XRL: Hexie (Harmony) and Fuxing (Rejuvenation) operated by China Railway, and Vibrant Express (a modified version of the CRH380A) by MTR Corporation.