1. Australian BHP Billiton: Founded in the mid-19th century, it is a world-renowned multinational company mainly engaged in oil and minerals. It has developed into the world's largest resource company. The company has operations in 20 countries around the world. Carry out business, the main products are iron ore, coal, copper, aluminum, nickel, petroleum, liquefied natural gas, magnesium, diamonds, etc.;

2. Australia's Rio Tinto Group: Founded in Spain in 1873, the group A multinational mineral and resources group headquartered in the United Kingdom and Australia headquartered in Melbourne, it is one of the world's largest resource mining and mineral product suppliers, the world's second largest iron ore producer, and a leader in the exploration, mining and processing of mineral resources. A global leader, its main products include aluminum, copper, diamonds, energy products, gold, industrial minerals and iron ore.

3. Brazilian Vale, referred to as Vale, trademark VALE, was founded on June 1, 1942. It is the world’s largest iron ore producer and exporter and the largest mining industry in the American continent. Company, on January 27, 2008, Brazil's Vale Mining Company announced the establishment of a new pellet mining plant in Zhuhai, which is its first ore business investment in China.