How many cubic meters of natural gas can Sanmenxia An Ran Natural Gas buy every year?

1500 m3. According to the "Measures for the Management of Gas in Henan Province", the annual gas purchase of households should not exceed 1.500 cubic meters. Users shall purchase gas within the specified time, and the number of gas purchases per household per month shall not exceed 2 times. In terms of gas use, users should use gas according to the gas use plan. When the gas consumption exceeds the planned amount, the gas enterprise shall be notified in advance. Users engaged in decoration or other construction activities near gas facilities shall abide by the relevant provisions of the state and shall not damage gas facilities.