1. It is made of high-quality imported silicone rubber with the method of platinum catalytic technology 2. Patent technology of integrated molding, high strength, not prone to falling off and being separated, good flexibility, 3. It can endure high temperature and high pressure disinfection, reusable. 4. Joints are made with injection molding with no gas leakage. 5. Applicable to all kinds of imported and domestic breathing machine, anesthesia machine. Length can be customized and free options among glass, Y type joint, L-shaped connector masks, breathing bags, etc. 6. Mainly used for operation patients in anaesthesia and oxygen; patients after recovery, patients with severe postoperative respiratory support and care. 7. Many Specifications for adult, children and newborn.