continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for E Wheelchair, Hyperbaric Oxygen Machine, Instant Oxygen Machine, Hydro Oxygen Machine,Ventilator Oxygen Concentrator. We warmly welcome domestic and overseas customers send inquiry to us ,we have 24hours working team! Anytime anywhere we are still here to be your partner. The product will supply to all over the world, such as Europe, America, Australia,Paraguay, Kenya,Czech Republic, Paraguay.We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products for our customers.