Longfian Scitech Co.,Ltd,located in No.413. Longxing Building A. Longxing Road, Baoding, 071051, China, is a professional manfucturer, specialized in the development, production and export of medical serial oxygen concentrators.The company is possessed with its own solid R&D team, who has the independent developing ability of the hard&software unit of the product and won the matured technology of PSA application. Presently the company has succeeded in the production of serial oxygen concentrators from 2LPM~10LPM, which have been widely applied in homecare, hospitals, clinics, beauty salon and sports, etc. In order to meet the international quality requirement, our products have got TUV approval with CE certificate and exported to more than 50countries from Europe, Africa, Middle ..