It is reported by Nikkei that in 2010 fiscal year, the four biggest business organizations Mitsui& Co., Itochu, Mitsubishi Corp. and Sumitomo Corp. holding the rights and interests overseas is estimated to be 69.3 million tons, and will increase to 1.35 billion tons by 2015 fiscal year.

The four biggest business organizations in Japan expand their benefits by increasing investment in overseas mine companies in Australia, Brazil, Chile and Canada and so on.

Due to metal prices up, Japan business organizations depend on fund advantage to obtain mineral benefits, facilitating Japan steel companies to get stable source of iron ore.