B&B Biomedical – Oxygen Concentrator Repairing Centre is Nepal’s trusted service provider for oxygen concentrator repair, maintenance, and calibration. We specialize in Philips,Oxymed,Owgels,Dynmed, Yuwell, Longfian and other Portable medical oxygen machines, ensuring 93%+ oxygen purity for safe breathing. Our certified technicians offer home oxygen concentrator service in Kathmandu and courier-based repair for Pokhara, Chitwan, Biratnagar, and other cities. With over 10 years of experience.