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LONDON — Diamond Microwave Devices (DMD), a subsidiary of Element Six Ltd (E6), has signed what the company says is a “substantial” contract with Inex for the development of fabrication technology for ...

GABORONE, Botswana — The world’s largest producer of diamonds wants more bang for its bling. A company launched Tuesday will market and sell about a third of Botswana’s diamonds to manufacturers who ...

Apache Corp., Houston, has let a contract to Saulsbury Industries, Odessa, Tex., to build three 200-MMcfd cryogenic processing plants at Apache’s Diamond processing site in the Permian basin of ...