The National Institute of Environmental Health Sciences awarded a purchase order to CN Bio Innovations LIMITED for $27,900 on September 22, 2026, to provide maintenance services for the CN Bio PhysioMimix Microphysiological System Single-Organ Platform used by NIEHS's Mechanistic Toxicology Branch. Place of performance is Great Britain, United Kingdom. The order covers a firm fixed price maintenance service agreement including preventive maintenance inspection, calibration, repair support, and on-site emergency repair visits for the PhysioMimix MPS system and associated hardware, performed by CN Bio-trained field service technicians or engineers. The order is set to complete by September 21, 2027. The underlying solicitation, posted July 10, 2026 with responses due July 27, 2026, was a non-competitive acquisition under FAR 12.603 for commercial maintenance services.