Dundee Sustainable Technologies Inc. engages in the development and commercialization of technologies for the treatment of refractory materials in the mining industry in Canada and internationally. It focuses on the commercialization of CLEVR process, which extracts precious metals, as well as removes and stabilizes contaminants, such as arsenic, antimony, and cadmium; and GlassLock process, which stabilizes arsenic, forms scorodite, and produces an insoluble glass residue that meets environmental requirements. The company extracts precious and base metals from ores, concentrates, and tailings. It also provides technical services to customers in the mining industry to evaluate processing alternatives. The company was formerly known as Nichromet Extraction Inc. and changed its name to Dundee Sustainable Technologies Inc. in January 2014. The company was incorporated in 1997 and is headquartered in Montreal, Canada. Dundee Sustainable Technologies Inc. is a subsidiary of Dundee Corporation.