 VANCOUVER, British Columbia, Jan. 26, 2021 GLOBE NEWSWIRE -- Silver Bull Resources, Inc. OTCQB: SVBL, TSX: SVB Silver Bull is pleased to announce it has completed its due diligence and has closed om the option agreement with Copperbelt AG Copperbelt, a public, non-listed mineral exploration company registered in Zug, Switzerland, regarding their 100 owned Beskauga copper-gold project located in northeastern Kazakhstan. 