Supply of AFC system for Qingdao Metro Line 4, China April 5, 2021 | Asia Pacific Tenders Country: China Organisation: Qingdao Metro Line 4 Company Limited Description: Bids are invited to supply an automated fare collection (AFC) system for Line 4 of Qingdao Metro network. Further detail... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password