johnson matthey gold refinery in hong kong2022-08-24
The company still retains gold and silver refineries in Salt Lake City, Utah, Toronto, Canada, and in Hong Kong. Mr Norman said Johnson Matthey's scaling back of its gold refining business follows ...Heraeus Group – Germany, USA, Hong Kong (PDF 316kb) Johnson Matthey Group – USA, Canada (PDF 164kb) Metalor Refining Group –
了解详情