Kopex prolongs deal with KGHM

Kopex PBSZ S.A, a shaft sinking company, has prolonged a deal with KGHM Polska Miedź S.A for drift mining in 2015-2020. The estimated value of the contract amounts to PLN 427.5 million. "The value of works until the end of 2014 totaled PLN 230.5 million," the board of Kopex informed. Kopex is a highly specialized company operating in the underground construction sector in Poland and abroad. KGHM is one of the largest producers of copper and silver in the world.