Longfian has obtained 28 patents for the invention and design of oxygen concentrator core technologies, and has obtained market access in 45 countries and multiple international standard certifications such as ISO13485 quality management system certification. It was the first to pass and implement the ISO 80601-2-69 special standard.

Longfian oxygen concentrators include medical and homecare series oxygen products, high-pressure and high-flow oxygen generating system for hospitals. In addition, we extended to veterinary oxygen therapy, indoor oxygen supply, industrial and simulating training hypoxic generator.

After more than 20 years of development, Longfian's high-quality oxygen equipment has been recognized and selected by governments and world organizations. Longfain oxygen concentrators are suppliers to the World Health Organization and United Nations organizations at all levels. So far, we are core suppliers to American churches and foundations, the Clinton Foundation, the Red Cross, the Red Crescent Federation, China National Pharmaceutical Group, and China Medical Insurance. Longfian has cooperated with the governments of India, Russia, Singapore, Madagascar, Nepal, Myanmar and other countries with its high-quality products, and has received high praise.

Build up an intelligent platform for oxygen therapy system, monitoring and managing equipment data, and establishing online community oxygen supply mode. Through the wireless network technology, the user's oxygen saturation, the equipment operating status, oxygen purity and oxygen flow status can be transmitted to monitoring adminisitration center, in which the central monitoring administration can be realized and the effective oxygen therapy for the user can be guaranteed.