港鐵公司
The company has also formed a joint-venture Beijing MTR Corporation Limited (49%) with Beijing Capital Group ("BCG") (49%) and the Beijing Infrastructure Investment Co ("BIIC") (2%) to build and operate for 30 years Line 4, Daxing line, Line 14, and Line 16 of the Beijing Subway. Line 17, which is currently under construction, is also confirmed to be operated by the Beijing MTR Corporation Limited.