It is essential to perform an iron in-use stock (IIS) analysis for China.
Average use life method (AULM) and fixed assets depreciation method (FADM) are employed.
AULM is used to analyze Chinese iron in-use stocks and the average age.
FADM is applied to analyze depreciated IIS and corresponding GDP generated for China.
Future IIS per capita in China is forecast and the corresponding indices are calculated.