香港中華總商會
Prominent Hong Kong businessman To Chun-man (杜仲文) first leased the land lot where the building now stands in 1915. At this stage To Chun-man held the position of Chief Chinese Silks Salesman (專理紗羅綢緞員) for Wing On Company Limited (永安有限公司), although he was later promoted to Assistant Manager (副司理). He also held several posts in various community committees including that of Secretary (司理) for the Commercial Chamber of The Heung Shan District (香邑僑商會所), and was a member of The Chinese General Chamber of Commerce (華商總會).