1, safety marking: the nameplate will be labeled with the cylinder's manufacturing date, pressure level, volume and other important information, which can help users to use the cylinder correctly to avoid misuse or overloading and other dangerous situations.

2, quality assurance: the information on the nameplate can also be traced back to the manufacturer of the cylinder and the production batch, which helps the regulatory authorities to supervise and manage the quality of cylinders to ensure that they meet the safety standards.