Niobay Metals Inc., a mineral resource company, acquires, explores for, evaluates, and develops mining properties in Canada. The company explores for niobium and tantalum deposits. Its principal asset is the James Bay Project that covers an area of 8,833 hectares located in the James Bay Lowlands in the northern Ontario, Canada. The company was formerly known as MDN Inc. and changed its name to Niobay Metals Inc. in September 2016. Niobay Metals Inc. was incorporated in 1954 and is based in Montreal, Canada.