The complex s principal products include refined zinc, lead, silver and gold. Most of the zinc concentrates treated at Trail come from the Sullivan mine in Kimberley, British Columbia and the Red Dog mine in Alaska. Construction of the lead smelter modernization project, including the Kivcet furnace and installation of a slag fuming plant, was completed in 1997. Concentrate feed for the refinery comes from Peruvian mines. In 2000 it operated at its expanded capacity of 120,000 tonnes.
Refined zinc is marketed in Latin America, the United States and Asia.