Shenzhen International Holdings Limited, an investment holding company, invests in, constructs, and operates logistics infrastructure facilities primarily in the People's Republic of China. The company operates through Toll Roads and General Environmental Protection Business and Logistic Business segments. The Toll roads and General Environmental Protection Business segment develops, operates, and manages toll highways. This segment also engages in the sale of wind turbine equipment; kitchen waste disposal projects construction; and operation and sale of wind power stations. The Logistic Business segment constructs, operates, and manages logistics centers and integrated logistics hubs; and provides third-party logistics services, logistics information services, financial services; port and related services; and logistics park transformation and upgrading services. It also operates two general bulk cargo terminals and depots in Nanjing Xiba Port that provide various services, such as loading and unloading, lightering, train loading and unloading, and warehousing. In addition, the company provides electronic information exchange, transmission, and value-added information-sharing services; supply chain management services; project investment and enterprise management consulting services; and real estate development and investment management services, as well as construction, operation, and management of expressways. Further, it engages in logistics and transportation ancillary services; auxiliary activities of railway transportation; cargo transportation and warehousing services; and research and development, production, and sales of wind power generation systems, as well as invests in and operates wind farms, and operates as freight forwarder and container cargo transport agent. The company was incorporated in 1990 and is based in Tsim Sha Tsui, Hong Kong.