[6] For 2019, Cui achieved two top ten positions in the championship in the same category, finishing 6th in the WSK Open Cup, and 8th at the Macao International Kart Grand Prix.

[7][8] Cui secured his first championship podium in Europe in 2020, by finishing 2nd in the Trofeo Andrea Margutti after a step up to the OKJ category.

[11] At the end of the 2023 season, Argenti Motorsport announced that Cui would be joining the team for the 2024 F4 British Championship.

[13] He finished in 24th in the standings amongst a talented grid, scoring two points after a ninth place in round four at the Yas Marina Circuit.

[17] At the start of 2025, Cui competed in the Formula Regional Middle East Championship with Pinnacle Motorsport.