Beijing Subway is a large state-owned enterprise. The original profile reported more than 30,000 employees and, at the end of 2020, responsibility for 16 lines, 525 kilometers and 318 stations, including 62 interchange stations. Its activities include passenger services, maintenance, rolling-stock overhauls, advertising, telecommunications and commercial operations, alongside investment, research, consulting, training and vehicle manufacturing.
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.
