In 2016, Chu won a gold medal at the 13th National Winter Games of China in the women's 4×6km relay as a member of the Hulunbuir women's team.[4] The following year, at the 2017 Winter Military World Games, she helped China win bronze medals in both the 7.5 km team sprint and the 15 km patrol race.[5][6] In 2019, at the 14th National Winter Games (roller skiing events), Chu won a gold medal in the women's 4×6km relay and the silver medal in the women's 12.5km sprint individual event.[3] The next month, she won two gold medals and one silver medal in the junior section of the 24th Summer Biathlon World Championships.[2] Chu won a gold medal in the 4 × 6 km relay at the 2020–21 National Biathlon Championships.[7]
In January 2022, Chu was named to the Chinese delegation for the 2022 Winter Olympics.[8] She helped her team finish 12th in the relay race.[9] She also placed 35th in the individual event and 61st in the sprint.[1]
At the 2023–24 National Biathlon Championships in January 2024, Chu won the 4 × 6 km relay, 7.5km sprint, and 15km individual titles.[10] The following month at the postponed 14th National Winter Games in 2024, she won a historic haul of four gold medals and two silver medals.[11][12]
In January 2025, Chu was selected to the Chinese delegation for the 2025 Asian Winter Games.[13] She helped her team win the gold medal in the relay race,[14] and placed sixth in the sprint.[2]