The main products of Erdos in Inner Mongolia are ferrosilicon and ferrosilicon-manganese alloy, which are the leading products in China.
The main products of Zheng Jun in Inner Mongolia are ferrosilicon, small and medium-sized;
Minmetals development business includes ferroalloy trade, with strong strength;
The main products of Dounan Manganese quasi-listed company are manganese ore, silicon and manganese;