Purpose
The cylinders are designed to ensure the safe use, otherwise the risk of fuel regulations.

Manufacturing
According to the certification specifications of the Ministry of Transport and gas cylinders by the manufacturer to meet these requirements.

Appraisal
New manufacturing the cylinders are engraved with the specification of the reference number and date of manufacture. They should also have an applique logo, as the combustible gas.

Issue a new license
The date of production for 12 years, cylinders must be re-certified, and every five years. Most of the propane dealers are qualified to issue a new license, just a few minutes officers. Certification expired Gas Cylinders shall not be filled in the law.