Portable Oxygen Concentrator Generator

Longfian Scitech Co., Ltd was founded in 2005 and located in Baoding,China. We have been professionally dedicated to R&D,Production and Marketing of series oxygen concentrators in the world. The control & ODSI system of oxygen concentrator are developed independently by R&D team, which ensure the products stable performance and good durability.

All of our products are built to ISO 13485 medical device standard, and widely applied in medical, homecare, beverage, veterinary, industrial field. For domestic market, our 3L, 5L & 10L oxygen concentrator are approved by NMPA (National Medical Production Administration/ CFDA in China ) . For overseas market, some products are gotten approval of CE, FDA, FSC, EU FSC, INVIMA, Cofepris, SFDA etc. And our products have been exported to the United States, Germany, the United Kingdom, Russion, Turkey, Iran, India, Vietnam, Colombia, Mexico, Kenya and South Africa, covering 160 countries around the world, standing on the good quality and complete certificates.

For more than 15 years, Longfian has developed and perfected oxygen equipment critical to supporting and improving all aspects of life. And in the past few years, Longfian has continuously won government tenders. Especially since 2020, the pandemic of Covid-19 swept the world, we work together with UN and WHO, taking on the mission of providing high flow oxygen concentrators to different countries of the world to fight against COVID-19. Longfian will always take care for the health of all mankind.

Longfian adhere to "superior quality, professional technology, devotion to oxygen solution", and strive to care for human respiration.

Qinhuangdao Contec Medical Systems Co.,Ltd., founded in 1996, focuses on researching,manufacturing and exporting of electronic medical equipments. Our manufactory covers an area of 32,000 square. Our product line covers a wide range of 13 catagories. Our products have been distributed to over 80 countries and regions, and Contec has become one of the most recognized brands in medical industry.

CONTEC adheres to the people-oriented, innovative development ideas, endeavors to achieve the goal of the international market, informative management, diversifiable product, we also dedicate to research and product high-tech products with more advanced in technology, more prefect in function, and more predominant in performance, to work CONTEC to a world-class modern enterprise

CONTEC was dedicating to research, manufacture and distribution of medical devices, now we have developed more than 20-category products contained Pulse Oximeter, Sphygmomanometer, ECG, EEG, Ultrasound Equipment, Patient Monitor and Image Equipment,etc. And we have established a modern scientific and effective manufacture system and management system, independently designed and developed many advanced products, such as Pulse Oximeter, Electronic Sphygmomanometer, Blood Pressure Monitor, Arteriosclerosis Examine, 1-12-channel ECG, Portable ECG Monitor, ECG Workstation, Digital Brain Electric Activity Mapping, Dynamic EEG System, Pocket Fetal Doppler, B-ultrasound Diagnostic System, Sleep Apnea Screen Meter, Polysomnography Analysis System, Pulse Rate Meter, Spirometer, Urine Analyzer, Oxygen Concentrator, Patient Monitor and Multi-parameter Vital Signs Monitor, and we own 50 national patent, 37 software copyright, our products have passed CE, FDA and COS/VIOS certificate. At present, CONTEC produces and distributes more than 2000000 products per year, which were distributed to over 180 countries and regions.

Today, Contec hopes to cooperate with international companies to supply more innovative design and advanced technology products