Tsui was honorary chairman of the Hong Kong-listed company CNT Group, which is engaged in manufacturing and sale of paint products, iron and steel, and property investment. Born in Ji"an, Jiangxi in 1941 as a native of Yixing, Jiangsu, he migrated to Hong Kong with his family at the age of nine. His father died when he was 13.
He worked as a messenger and a handyman before starting small businesses including restaurants and interior decoration companies.
He made his fortune through stock market and property development in the 1970s. His business empire boomed as the properties he bought in the early 1980s surged in value.
He later acquired the Chinese paints factories established in Hong Kong, Hong Kong Citybus, London Citybus and expanded the family-owned North Sea Group. In 2001, he was awarded the for his contribution to maintaining the prosperity and stability of Hong Kong.
In March 2010, Tsui suddenly suffered a stroke when he attended the 11th Chinese People"s Political Consultative Conference in Beijing.
In April 2010, he died in Beijing at the age of 69.