Nasal oxygen cannula is a disposable medical equipment which is used for transfering oxygen for the patient. This product has sizes such as L, S, XS and XXS. The product's main raw material is PVC.The product is produced under the condition of clean room of 100,000 level. Our staff are trained how to wash hands and how to wear gowning before entering the clean room. The environment of clean room is under controlled so as to ensure its clean. Many of the products are produced under such condition. We have high-quality injection machines and extrusion machines to ensure the products' quality.