Tianjin Development Holdings Ltd. is an investment company, which engages the provision of utilities, pharmaceutical, hotel, and electrical and mechanical services. It operates through the following segments: Utilities, Pharmaceutical, Hotels, Electrical and Mechanical, Port Services, and Elevators and Escalators. The Utilities segment distributes electricity, water, heat, and thermal power to industrial, commercial, and residential customers. The Pharmaceutical segment manufactures and sells pharmaceutical products and provides pharmaceutical research and development, design, manufacture, and printing for pharmaceutical services packaging. The Hotels segment manages hotels. The Electrical and Mechanical segment involves in the manufacture and sale of presses, mechanical and hydroelectric equipment, and large scale pump units. The Port Services segment contributes by a listed associate of the group which offers port services. The Elevators and Escalators segment comprises manufacture and sale of elevators and escalators. The company was founded on May 9, 1997 and is headquartered in Hong Kong.