Tianjin Development Holdings Limited is an investment holding company. It operates in six segments. Supply of utilities segment distributes electricity, water, heat and thermal power to industrial, commercial and residential sectors in the Tianjin Economic and Technological Development Area. Operation of commercial properties segment includes hotels operating in Hong Kong and Tianjin. Winery segment includes Dynasty Fine Wines Group Limited, which produces and sells winery products. Port services segment includes Tianjin Port Development Holdings Limited. Elevators and escalators segment consists of Otis Elevator (China) Investment Company Limited, which manufactures and sells elevators and escalators. The operation of toll roads segment consists of Jinzheng, which invests in and operates the EORR in Tianjin and includes Golden Horse, which invests in Jinbin Expressway in Tianjin. On February 4, 2010, the Company diluted its interest in the Tianjin Port from 67.33% to 21%.

Principally engaged in (i) utilities business including supply of electricity, water and heat and thermal power; (ii) commercial properties, basically hotel operations; and (iii) strategic and other investments including investments in associates which, principally engaged in the production, sale and distribution of winery products, elevators and escalators and provision of port services.