Earlier this year, the company said it would aim to produce up to 15 percent of global antimony output, used primarily to make fire retardants and batteries.
Trump has reportedly rejected a plan to levy tariffs of 10 percent on an additional $200 billion of imports from China and ordered aides to prepare a proposal for tariffs at the higher rate of 25 percent.
Gold producers in Australia are outperforming their global competitors, prompting investors to encourage them to expand their horizons and acquire struggling North American rivals.