Since the 1999 District Council elections, he has been representing the Sui Wo constituency and is the vice-chairman of the Sha Tin District Council. Through the New Territories District Councils Subsector, he has been member of the Election Committee since 2000.
Pang has been the secretary general of the DAB. In 2013, he became the delegate to the National Committee of the Chinese People's Political Consultative Conference (CPPCC), China's top national consultative body.[1] and also the vice-chairman of the DAB.
Pang has also been appointed to various public positions including member of the Appeal Board on Closure Orders (Immediate Health Hazard), Environmental Campaign Committee, Hospital Authority New Territories Regional Advisory Committee, Intangible Cultural Heritage Advisory Committee, Independent Police Complaints Council (IPCC) Observers, and Municipal Services Appeals Board.