Dalian Metro Group was established on 16 February 2017 as a wholly municipal state-owned enterprise. The original entry reported registered capital of RMB 11.59 billion, eight operating, construction, development, design, technology and training entities, and 5,588 employees. It described five operating lines, 70 stations and 157.88 kilometers, supported by 114 trainsets comprising 556 vehicles. The group's activities cover investment, construction, operations, resource development, consulting, training, advertising, property and parking services.
Dalian Metro Group's stated approach links metro development with urban growth and integrates investment, construction, operations, property and resource management. Its management principles emphasize safety, quality, service and operational performance, supported by the development of intelligent and environmentally responsible rail 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.
