Does the natural gas account in Hangzhou have an official seal?

Gas users cancel their homes: gas users no longer use gas. The account cancellation needs to provide: a copy of the valid identity certificate of the gas user, a copy of the valid house ownership certificate, and a gas supply contract. After cancellation, new gas users can apply for using natural gas again at this address. If an agent is entrusted to another person, a power of attorney issued by the client and a copy of the client's valid identity certificate shall also be provided.

Natural gas refers to the mixture of hydrocarbon and non-hydrocarbon gases naturally contained in the stratum. In petroleum geology, it usually refers to oilfield gas and gas field gas.