Some countries cooking energy still use for wood for cooking, but the whole world wants to protect the environment, so they start using gas for cooking, LPG gas is one of the cooking gas, the LPG gas use LPG cylinder to storage, so LPG filling plant is a place to filling LPG cylinder.

The LPG source plant is transported to the storage station with a slot car, and the liquefied petroleum gas is unloaded into the storage tank by using the compressor/blade pump. The pressure is passed to the storage station, and the storage tank is entered after being filtered by the receiving device.