Natural resources: <br>mineral resources, mainly natural gas, coal, limestone and so on. Natural gas reserves have been announced for the 311.39 billion cubic meters, mainly in the northeast.
Natural resources: Mineral resources are mainly natural gas, coal, limestone and so on. Natural gas has been declared reserves of 311.39 billion cubic meters, mainly in the northeast.
Natural resources:<br>Mineral resources mainly include natural gas, coal, limestone and so on. The announced reserves of natural gas are 311.39 billion cubic meters, mainly distributed in the northeast.<br>