Where is the safety valve and pressure gauge for the gas tank?
Units with inspection qualification can be identified.
In general, to the local Technical Supervision Bureau designated inspection department to go, you can issue a test reporting unit
The safety valves go to the local Quality Supervision Bureau at the municipal level, and they will designate a place for you to check.Pressure gauge local measuring instruments inspection qualification institutions, general provincial and municipal metering Inspection Institute on the line.
