Qingdao Metro serves Qingdao, Shandong. Its first line, Line 3, began trial operations on 16 December 2015. The original profile recorded 246.2 kilometers of operating routes as of December 2020.
The historical entry listed six operating routes in December 2020: the northern section of Line 1 including the first phase of Line 7, with 15 stations over 21.9 kilometers; the first phase of Line 2, with 21 stations over 25.2 kilometers; Line 3, with 22 stations over 24.8 kilometers; the northern section of Line 8, with 11 stations over 48.3 kilometers; Line 11, with 22 stations over 58.4 kilometers; and Line 13, with 21 stations over 67.6 kilometers.
BIOSUN provides air treatment solutions for rail transit. Its Chinese project profile reports experience across more than 100 rail projects in China and overseas, with applications addressing airborne microorganisms, particles, chemical gases and emissions from interior materials in occupied transport environments.
Applications cover train interiors, platforms, station halls and public restrooms. BIOSUN applies PHOTOPLASMA technology to selected microbial, gaseous and particulate air treatment requirements. Performance should be assessed against the equipment specifications, relevant test reports and operating conditions.
