Ruan Sai is a professional footballer from CHN and is currently 26 years old. He is on the books of Wenzhou Professional Football Club and wears shirt number 10. His main role on the pitch is Forward. He measures 178cm in height and weighs 67kg. His estimated market valuation currently stands at 50K €.

His latest transfer saw him join Wenzhou Professional Football Club from Guangzhou FC U21 via on 2024-03-08.

During the Chinese Football League 2 2025 campaign, Ruan Sai made 30 appearances, scoring 3 goals and adding 4 assists. He averaged 0.1 goals per match from 31 shots, with 11 on target.