Longfian, a professional oxygen products manufacturer with 20 years of experience，dedicated to R&D, production and marketing of series oxygen concentrators throughout Domestic and Global including 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.

Our team is indestructible.
---- R&D Team of 18 Engineers: Longfian control & ODSI system of oxygen concentrator are developed independently by R&D team,which ensure the products stable performance and good durability；
---- Under the implementation of the ISO13485 Quality Management System, our quality team operates strictly, inspects strictly , verifies seriously, achieve to none-defect in products, no complain by customers.
---- Our production Team: Adhering to the ingenuity, actualizing 7S standard operation and step-step manufacture, improving utilization is our production direction. To complete the production task on time is our commitment to customers;
---- The Sales Team expands the market with service, and builds reputation with quality. Now, our sales team had sold our products to more than 120 countries and regions, served customers all over the world. 

All of our products are built to ISO 13485 medical device standard using responsibly-sourced CE compliant materials, and widely applied in medical, homecare, veterinary, industrial field. For overseas market, some of products are gotten approval of CE,FSC, EU FSC, INVIMA, Cofepris,  etc. And our products have been exported to more than 120 countries around the world, standing on the good quality and completely certificates. In order to satisfy the oxygen supply and improve the quality of life in the plateau area, Longfian has developed 10L-60L plateau dispersive oxygen concentrator, which is very prevailing in the plateau area and solves the oxygen inhalation problems of the plateau family.

Longfian will adhere to the original intention of intelligence, efficiency, service and solution, vigorously develop smart medical care, focus on the trend of the times, and deal with the problem of population aging. Longfian will always adhere to the concept of "excellent quality, professional technology, and focus on oxygen solutions". Empower oxygen to various demand of human beings.