Tianjin Port Development Holdings Limited is an investment holding company. The Company operates in three business segments: cargo handling, sales and other port ancillary services. The cargo handling segment includes the provision of container handling and non-containerized cargo handling. The sales segment includes the supply of fuel and sales of materials. The other port ancillary services include the tugboat services, agency services, tallying and other services. Its subsidiaries include Tianjin Port Holdings Co., Ltd., Tianjin Port No. 1 Stevedoring Co., Ltd., Tianjin Port No. 2 Stevedoring Co., Ltd., Tianjin Port No. 4 Stevedoring Co., Ltd., Tianjin Port No. 5 Stevedoring Co., Ltd., Tianjin Port Container Terminal Co., Ltd., Tianjin Port Coke Terminals Co., Ltd. and Tianjin Port Petrochemicals Terminal Company Limited. On February 4, 2010, the Company acquired 56.81% interest in Tianjin Port Holdings Co., Ltd.