1, according to the query automobile jianghu network learned that ResMed brand air tube evaluation is good, durable and extensive, the best quality. ResMed (Beijing) Trading Co., Ltd. was established in 2008, is in China by ResMed Pte Ltd. set up by the affiliated companies and ResMed Group's wholly owned subsidiary, the main business has a respirator, medical equipment, trachea.
2, the United States Philips Wellcome: Philips Wellcome trachea variety, quality quality, cost-effective. Philips Weikang's predecessor is the United States Weikang Company, founded in 1976, headquartered in Pittsburgh, Pennsylvania, the United States, the Division specializes in the field of sleep respiratory health exploration. The products are mainly respiratory drug delivery device, one-stop housekeeper and related soft and hard accessories.