Beijing MTR Corporation (BJMTR) is the first foreign invested cooperation company in urban railway transportation sector in mainland China. BJMTR was established in January 16, 2006. It is jointly invested by Beijing Infrastructure Investment Co. Ltd (BII, 2%), Beijing Capital Group (BCG, 49%) and MTR Corporation (MTR, 49%) with total registered capital of RMB1.38 billion. The total investment of BJL4 is RMB15.3 billion including RMB 4.6 billion from BJMTR. The company is responsible for the investment and construction of the part B (rolling stock, signal, AFC, etc), and will rent part A of BJL4 project (tunnels, structures). The company will operate Beijing Metro Line 4 and develop other relevant businesses in accordance with a Concession Agreement for 30 years upon the completion of whole project. On September 28, 2009, BJL4 was opened for trial operation.
The O&M Franchise Agreement on Beijing Metro Daxing Line was signed on December 30, 2009 officially, signifying BJMTR obtained the O&M franchise of Beijing Metro Daxing Line to be responsible for the operation and maintenance of DXL assets and to provide train services. On December 30, 2010, Daxing Line was opened for trail operation.

Mission
－Provide safe, punctual and convenient transportation service to the passengers, create them a friendly and harmonious travel environment, facilitate the construction and development of the communities, enhance their quality of life and establish BJMTR as a well-accepted brand.
－Encourage employees to learn and be more creative, provide them opportunities to grow with the company.
－Actively develop the railway transportation construction and operation as well as other relevant businesses, maintain continuous and stable growing, bring excellent return to the investors.