Through its base in Canton, the company's principal commodities of export were raw silk, tea, matting, fire-crackers, cassia, rhubarb, aniseed, ginseng, and rattan; and its principal commodities of import were cottons, woollens, glass, iron, steel, coal, and many other basic commodities.[1]
The firm expanded to become the general manager of many prominent companies based in China. These included the China and Manila Steamship Company, the American-Asiatic Steamship Company, the Green Island Cement Company, the Hong Kong Rope Manufacturing Company, the China Provident Loan and Mortgage Company, the Equitable Life Assurance Society, the Canton Land Company. The company also served as an agent for steamers of the Shire Line, the Yangtsze Insurance Association, the Insurance Company of North America, the Batavia Sea and Fire Insurance Company, the North British and Mercantile Insurance Company, the Reliance Marine Insurance company, the Union Marine Insurance company, the World Marine Insurance company, the Law Union and Crown Insurance company, the Yorkshire Fire and Life Insurance company, the Fireman's Fund Insurance company, the Federal Insurance Companies, the Electric Traction Company of Hong Kong, the Chinese Engineering and Mining Company, the Shanghai Pulp and Paper Company, and the Tacoma Grain Company.[1] In 1901, Shewan, Tomes & Co. contributed to the foundation of the China Light and Power Company,[2][3] which remains one of the two electricity suppliers in Hong Kong.
^ abcWright, Arnold, ed. (1908). Twentieth Century Impressions of Hongkong, Shanghai, and other Treaty Ports of China. London: Lloyd's Greater Britain Pub. Co. p. 213.
^Jones, Charles A. (1987). International Business in the Nineteenth Century: The Rise and Fall of a Cosmopolitan Bourgeoisie. Wheatsheaf.
^Cameron, Nigel (1982). Power: The Story of China Light. Oxford University Press.
