Finnish metals giant Outokumpu might pick up an equity share in Codelco's Mejillones copper and zinc refinery projects in Chile. Bot the company's have signed an agreement and will collaborate in building copper mining, smelting and refining facilities. Besides providing technology to the company, Outokumpu might also be involved in the other areas of the project. Codelco is currently conducting a feasibility study on the Mejillones project which it is estimated will require a 1 bn dollars investment.