North American Palladium has restarted the machines at its Lacdes Iles Mine near Thunder Bay and brought 180 employees back to work.
The mine was closed in October 2008 due to declining metal pricesand about 350 employees were placed on layoff.
The mine is now running seven days a week and the company expectsto produce 140-thousand ounces of palladium per year.
Palladium is used in a variety of products, including catalytic converters, jewelry and in dentistry.