Helium supplies at risk from plunging oil prices – which is bad news for our coronavirus effortApril 27, 2020By PAGE [box type=”info” align=”” class=”” width=””]Jon Gluyas, Durham University[/box] Oil prices have plummeted as a result of the coronavirus pandemic. While…
Tanzania Allows Chinese Companies to Build the Gold Processing PlantNovember 11, 2019By Jenny zhou Tanzania is the fourth largest gold producer in Africa and has licensed Chinese companies to build the mineral processing plant…
