The natural gas contract has come down. How to send a message to inform the owner?

Dear Owner: Hello! We urge you to take your precious time to collect the natural gas contract from our residential property service center. Thank you for your cooperation.

Gas users and relevant units and individuals shall not have the following acts.

1, operating the public gas valve without authorization.

2, the gas pipeline as a bearing bracket or grounding lead.

3 installation and use of gas burning appliances that do not meet the requirements of gas source.

3, unauthorized installation, modification, demolition of indoor gas facilities and gas metering device.

4. Use and store gas in places without safe conditions.

5. Stealing gasoline.

6. Change the use of gas or switch to gas.