硫磺/煤炭/铁矿砂事业部系本土通商公司下属部门，本土通商下属部门，主要从事硫磺、煤炭、铁矿砂等矿产资源的国际市场交易。

MSCI is the abbrivated form of sulfur, coal, ironsand mineral etc. As Bentusun’s subsidiary, MSCI SBU is mainly dealing with mineral in the international market.