Three Valley Copper Corp. revised production guidance for the year 2021. For the year, the company expects Cu production to be in the range of 4,500 tonnes to 5,500 tonnes against previous guidance range of 6,000 tonnes to 7,000 tonnes. Cu production to be in the range of 9.9 millions of pounds to 12.1 millions of pounds against previous guidance range of 13.2 millions of pounds to 15.4 millions of pounds.