1. Medical equipment store. The medical equipment store on the south side of Chengchuan East Road, Yidu Street, Guangrao County, Dongying City, Shandong Province will sell household portable oxygen machines or household oxygen cylinders.

2. Guangrao County People's Hospital is a third-class first-class general hospital, located at No.80/KLOC-0, Huayuan Road, Guangrao County, Dongying City, Shandong Province. It provides the sales service of household oxygen cylinders, and can consult local hospitals or clinics. When purchasing household oxygen cylinders, you should choose certified products produced by regular manufacturers, strictly abide by the operating instructions and safety operation procedures, and pay attention to regularly check and replace the oxygen in the oxygen cylinders to ensure their effectiveness and safety.