Kunming Rail Transit serves Kunming, Yunnan, and neighboring areas. The original profile describes both the metro system developed and operated by Kunming Rail Transit and the suburban railway system being planned by Kunming's municipal railway company.
The original entry's September 2020 description listed the northwest extension of Line 1, the second phase of Line 2 and Line 5 as construction projects, with historical completion targets in 2021–2022. It reported 139.4 kilometers of operating routes and a long-term plan for 14 lines totaling 562 kilometers, combining radial local routes and cross-city express services.
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.
