Ni got involved in politics in August 2008, when he was appointed deputy secretary of the Working Committee and director of the Management Bureau of Yangpu Economic Development Zone.[1][2]
In March 2013, Ni was named acting mayor of Haikou, capital of south China's Hainan province, confirmed in July of the same year. [1][2] He was made secretary-general of Hainan Provincial People's Government in February 2018, concurrently serving as director of the Provincial Government Office and director of the Provincial Coastal Defense and Port Office.[1] He rose to become vice governor in March 2021, in addition to serving as director of the Provincial Government Office and director of the Office of the Provincial Free Trade Port Working Committee.[1] In October 2023, he was admitted to standing committee member of the CCP Hainan Provincial Committee, the province's top authority.[1][3] In November of that same year, he became secretary-general of the CCP Hainan Provincial Committee, director of the Provincial Party Committee Office, director of the Office of the Hainan Provincial Party Committee Comprehensive Deepening Reform Commission, and director of the Office of the Hainan Provincial Party Committee Free Trade Port Working Committee.[1]
Downfall
On 25 June 2025, Ni was suspected of "serious violations of laws and regulations" by the Central Commission for Discipline Inspection (CCDI), the party's internal disciplinary body, and the National Supervisory Commission, the highest anti-corruption agency of China.[1][4] Ni was expelled from the party and dismissed from the public office on 6 February 2026.[5]
PB Former member of the Politburo; PLA Also a military official; CDI Member of the Central Commission for Discipline Inspection or affiliates 1For details on the civil service ranks of officials, please see Civil Service of China; 2Army generals listed have attained at least the rank of Major General, which usually enjoys the same administrative privileges as a civilian official of sub-provincial rank.