Peru's Minsur is the world's third largest tin producer. Its main activities involve mining tin and smelting and refining, in addition producing gold, niobium and tantalum.

Lima-headquartered Minsur is a private sector company and has operations in Peru and Brazil. The miner is listed on the Lima stock exchange.

Minsur posted US$87.8mn in net income for full year 2016 compared to a US$538mn loss a year earlier, which was due to impairment charges in 2015. Sales were little changed at US$617mn.

Total tin output from Minsur's mines in Peru and Brazil slid 1% to 25,445t in 2016 due to lower grades at the company's San Rafael mine in Peru. Gold production at the Pucamarca mine in Peru fell 13% to 105,659oz, while niobium-tantalum output at its Pitinga operation in Brazil dropped 15% to 1,840t.

The company set 2017 production guidance at 16,500-17,500t tin at San Rafael mine, while Pitinga should produce 6,500-7,500t tin and 3,000-3,500t of niobium-tantalum and Pucamarca is expected to produce 90,000-100,000oz gold.

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