SHANGHAI, May 26 (SMM) - On May 26, premiums of Jinchuan nickel were 9,800-10,300 yuan/mt. The average premium stood at 10,050 yuan/mt, down 600 yuan/mt from the previous trading day. NORNICKEL nickel was quoted at premiums of 6,800-7,000 yuan/mt, with an average of 6,900 yuan/mt, down 600 yuan/mt from a day ago. Spot pure nickel premiums fell at month-end. Nickel briquette prices were 168,600-169,100 yuan/mt, an increase of 200 yuan/mt from the previous trading day. The nickel briquette transactions were slack as it was still traded at premiums over nickel sulphate.