SHANGHAI, Feb 3 (SMM) - As of February 3, bonded zone inventory of nickel fell to 7,500 mt, with the inventory of nickel briquettes and nickel plates of 1,570 mt and 5,930 mt respectively. Spot imports suffered losses again. And the import losses of NORNICKEL nickel stood at 5,000-8,000 yuan/mt this week. The inventory of nickel plates dropped slightly this week. The nickel briquette demand from the nickel sulphate producers continued to decrease since the prices were still high.