 Upon his arrival in Hong Kong, he became actively engaged in transport and trading businesses.He was one of the founders of the Kowloon Motor Bus Company (1933) Limited.In 1929, Mr. Lui purchased a piece of land at 119 Lai Chi Kok Road from the Government of Hong Kong and appointed W. H. Bourne, a local architect who specialised in designing shophouses to construct Lui Seng Chun.