Nov 17 (Reuters) - TRAFIGURA GROUP:

* SAYS KOREA ZINC SIGNS KRW185 BILLION (USD140 MILLION) INVESTMENT AGREEMENT WITH TRAFIGURA TO BUILD AN ALL-IN-ONE NICKEL REFINERY

* SAYS THE INVESTMENT WILL BE USED TO BUILD THE NICKEL REFINERY LOCATED IN ULSAN, SOUTH KOREA AND FINANCE ITS INITIAL WORKING CAPITAL

* SAYS THE TWO PARTIES ALSO ENTERED A LONG-TERM AGREEMENT TO SECURE A RELIABLE SUPPLY OF FEEDSTOCK TO THE ALL-IN-ONE NICKEL REFINERY

* SAYS UNDER THE CONTRACT, THE AMOUNT OF NICKEL TO BE SUPPLIED BY TRAFIGURA WILL RANGE FROM 20,000 TO ABOUT 40,000 TONNES PER ANNUM

* SAYS IT WILL ALSO HAVE THE OFF-TAKE RIGHT IN RELATION TO THE FEEDSTOCK CONTRACT (Reporting by Swati Verma in Bengaluru)