Beijing North Star Yaao Scitech Co., Ltd. is a Hi-tech share-holding enterprise, which is specialized in developing and manufacturing oxygen concentrators.

Yaao developed and produced the first set oxygen concentrator in 1992, and is also the first top enterprise that produces medium and small typed medical molecular sieve oxygen concentrators in China. Yaao occupies more than 4000 square meters' production area; the present production output is 25,000 units per year. At present, we are able to produce hundreds of types of oxygen concentrators with different outlet and functions. We manufacture not only our own brand products, but also provide OEM service to our customers.

We have obtained the ISO9001:2000 certificate of medical device quality management system, and the ISO13485 certificate of product quality. Our products have been approved by TUV European Union, and have got the CE 0197 approval and the permission to enter European market. We have also obtained the ISO14001:2004 Environmental Management Certificate of the United Nation Children's Fund for many times. In 2006, Yaao gained the bidding for 4000 sets of machines in the program of assistance of Cuba in the fierce competition. It has been the biggest bidding record in the Chinese market by now.

Beijing North Star Yaao Scitech Co., Ltd. would like to cooperate with companies and clients both in China and abroad with the principle of earnest and sincere cooperation and mutual benefit.