Oxygen cylinders
Oxygen cylinders are used for auxiliary treatment of respiratory diseases (such as asthma, bronchitis, pulmonary heart disease, etc.), cardiac and cerebrovascular diseases (such as: coronary heart disease, myocardial infarction, cerebral hemorrhage, cerebral infarction) due to lack of oxygen to alleviate the symptoms of oxygen deprivation; they are also used for health care oxygen inhalation or fatigue after stressful mental and physical labor to quickly release.