Beijing North Star SciTech Co., Ltd isspecialized in the invention and manufacture of oxygen concentrators and family physiotherapy products.

The company developed and produced the first set of the small typed molecular sieved oxygen concentrator in 1992. The company occupies more than 4000 square meters production area,the present production output can be 25,000 units per year.

The company enjoys high reputation in the world market because of its safety, durability and reliability. In July 2003,the company obtained the ISO9001:2000 certificate of medical devices quality management system, and the ISO13485(YY /T0287)certificate of product quality. And in June 2004 the company obtained the CE 0197 certificate and got the permit to the Europe market.We also obtained the ISO 14001:2004 Environmental Management System Certificate in 2008.

The Yaao oxygen concentrator, which is developed by our company independently, has been applied widely in the hospitals at all different places. It can