Chizhou Smelter was put into production in June 1958, as lead smelter with production capacity for lead being expanded from 60kt/a to 100kt/a in September 2008. Construction of the new 100kt/a zinc and 100kt/a lead plants began in August 2009, at a reported cost of US$295M. Commissioning was begun in March 2011 with the plants coming on line in late July 2011. Wood Mackenzie’s asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our industry standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.