He debuted as a member of limited boy band Nine Percent on April 6, 2018 through the Chinese talent show Idol Producer.

Zhu participated in boy group survival reality show, "Produce 101" which aired on Mnet in 2017.

Zhu's performance in the show brought his rise to fame, and eventually garnered a total of 11,938,786 votes in the last episode.

[5][better source needed] On June 23, 2018, Zhu and other members of NEXT held their first fan meeting in Beijing, China.

He released a new single on his birthday March 18, 2021 titled "陷" (Trap) on Netease Music selling 100,000 copies on the first 28 minutes.

[citation needed] Effective May 22, 2021 Zhu Zhengting was named and appointed as the "Protector of Endangered Species" by Society of Entrepreneurs & Ecology (SEE).

In 2019, He was signed under Paul Frank and he also endorsed products by leading camera manufacturer Canon and beauty brands Nivea among others.