| Hyson (Nigeria) Limited |
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Hyson (Nigeria) Limited In Affiliation with Calson (BERMUDA) Limited This Company is a joint venture between NNPC and Vitol S.A. Swiss International Crude Oil and Products Trading Company. Hyson/Calson is in business to market our excess petroleum products in the West and Central African sub regions and elsewhere. Contact Address:Coscharis Plaza, |
