Chengdu Rail Transit Group was founded in 2004 as a state-owned enterprise engaged in rail investment, financing, construction, operations, property development and related businesses. The original entry reported registered capital of RMB 6.7 billion, assets exceeding RMB 300 billion and more than 20,000 employees. It described a compact headquarters with specialized subsidiaries, 732 kilometers of approved construction plans, 13 operating lines totaling 558 kilometers including 39 kilometers of tram routes, and approximately 176 kilometers under construction at that time.
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.