Qingdao Metro Line 13
Source:CCCCTime:2021-08-27
Qingdao Metro Line 13 is the first rail transit project adopting the PPP mode in Shandong Province.

Editor: CCCC
Source:CCCCTime:2021-08-27
Qingdao Metro Line 13 is the first rail transit project adopting the PPP mode in Shandong Province.
Editor: CCCC