General household gas to the local regular gas station to fill. The so-called formal gas station refers to the safety standard certificate issued by the State Administration of Safety Supervision and Production. This kind of gas station measures the tank pressure for consumers free of charge, and the amount of liquid filled is sufficient, the quality is good, and the majority of residents can be assured that they can use it. The informal gas station lacks weight, and what is the body as long as the money is filled, there are great safety risks
Go to the gas company or agency's bank counter