Tianjin Development Holdings Limited, through its subsidiaries, supplies water, heat, thermal power, and electricity in China and Hong Kong. It operates through six segments: Utilities, Pharmaceutical, Hotel, Electrical and Mechanical, Port Services, and Elevators and Escalators. The company engages in the supply of tap water, installation and maintenance of water pipes, technical consultancy, and retail and wholesale of water pipes and related parts, as well as water testing services; distribution of steam and heat for industrial, commercial, and residential customers; and supply of electricity, construction of electricity supply network, application of technology related to new energy and renewable energy, and electricity construction and related technical services, as well as energy storage technology services. It also manufactures and sells chemical drugs, Chinese medicines, and other healthcare products; researches and develops medicine technology and products; designs, manufactures, and prints pharmaceutical packaging; and sells other paper-based packaging materials. In addition, the company operates the Courtyard Hotel by Marriott Hong Kong; manufactures and sells hydroelectric equipment and large-scale pump units; provides port services; and manufactures and sells elevators and escalators. Further, it is involved in the finance lease business. The company was incorporated in 1997 and is based in Central, Hong Kong. Tianjin Development Holdings Limited operates as a subsidiary of Tsinlien Group Company Limited.
