He helped the team to win the Nike Premier Cup U-15 section, as well as being named the Most Valuable Player of the tournament.

[3] On 17 July 2017, it was revealed that Lee Man had acquired Ngan on loan for the 2017–18 season.

[5] On 17 July 2018, Lee Man reacquired the services of Ngan for the upcoming 2018–19 season.

[6] On 10 September 2013, Ngan made his international debut for Hong Kong in a friendly match against Singapore.

Ngan graduated from the Chinese University of Hong Kong in 2017 with a degree in sports science.