Beijing MTR Corporation Limited (referred to as "BJMTR") was jointly established on January 16, 2006, by Beijing Infrastructure Investment Co., Ltd. (BIIC), Beijing Capital Group (BCG) and MTR Corporation (MTR). At present, BJMTR participates in the investment, construction and operation of Beijing Metro Line 4, Line 14 and Line 16 by adopting PPP model. Additionally, it manages Daxing Line through O&M model and operates Line 17 with rolling stocks lease. The total route length of lines is about 200 km, of which 190.4 km and 113 stations are now in service.