David Trench
Chung was appointed to be the working party of establishing an industrial association by Governor Robert Black in 1958, which later became the Federation of Hong Kong Industries (FHKI) in 1960. In 1966 when Sir Chau Sik-nin became chairman of the newly founded Hong Kong Trade Development Council (TDC), Chung succeeded Chau to be the chairman of the Federation. He was also appointed to be a provisional member of the Legislative Council by Governor Sir David Trench in April 1965, as well as member of the Trade and Industry Advisory Board, Hong Kong Telephone Advisory Committee, Hong Kong Aviation Advisory Board, Hong Kong Government Radiation Board, Working Committee on Productivity and a Justice of the Peace.