Shanghai Metro serves Shanghai and its metropolitan area and participates in CoMET. Its first line opened on 28 May 1993. The historical profile recorded an operating network of 772 kilometers as of 23 January 2021, describing it at that time as China's longest urban rail network.
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.
