Jing Xuan

Beijing Infrastructure Investment Co., Ltd. engages in the investment and management of rail transportation infrastructures. Its business activities include planning and construction of rail transportation, asset and investment management, and development and management of real estate properties. The company was founded on February 10, 1981 and is headquartered in Beijing, China.

BII Transportation Technology (Beijing) Co., Ltd. engages in the research and development of transportation system software and network technology. Its business activities include system integration, technical consultation, computer technology training, and technology development and promotion services. The company was founded on September 10, 2009 and is headquartered in Beijing, China.

Part of BII Railway Transportation Technology Holdings Co., Ltd., Beijing BII Technology Development Co. Ltd. is an investment holding company that specializes in the design, implementation, and maintenance of application solutions for centralizing various functions of public transport systems. Beijing BII Technology Development Co. Ltd. is based in Beijing, China.

Digital China (China) Co., Ltd. engages in the provision of integrated information technology (IT) services. It focuses on IT infrastructure; IT planning consulting, solution design and implementation; IT system operation and maintenance outsourcing; system integration; and IT distribution and maintenance. Its business scope includes research and development of computer hardware and supporting parts; installation and maintenance of network products, multimedia products, electronic information products and communications products, office automation equipment, instrumentation, electrical and printing equipment, and computer application system; production technology products, technical services, and technology transfer; operating the production and sale of self-produced products business; sale of computer hardware, software, and peripherals; and wholesale of medical electronic equipment, medical high-frequency equipment, extracorporeal circulation and blood treatment equipment, implanted equipment, implantable artificial organs, medical hygiene materials and dressings, medical polymer materials and products, physical therapy and rehabilitation equipment, operating room equipment, emergency room equipment, medical equipment, and ward care equipment and utensils. The company was founded on April 3, 2000 and is headquartered in Beijing, China.

Part of Digital China Holdings Ltd., Shenzhou Jinxin (Beijing) Technology Co., Ltd. is a company based in Beijing, China.

Beijing Infrastructure Investment (Hong Kong) Ltd. invests in infrastructure development in China. The company is headquartered in Hong Kong.