美国求购铁矿石 buying Iron OreCompany Name: Oloba Exim Brokers Resources Contact Person: Mr. Manny MangueraStreet Address: P. M. Box 20, 950 King Plaza# 103,City: Daly CityProvince/State: CaliforniaCountry/Region: United States Zip: 94015Telephone: 1-650-799-3529Fax: 1-650-754-9742Iron ores are mined sytematically in iron rich fields of Brazil. It must contain at least 64.5% Fe to be profitable. this ore is used in producing iron and steel materials that are needed worldwide to sustain economic growth.