Classification society ClassNK and Rio Tinto Iron Ore (part of the Rio Tinto Group, one of the world’s largest metal and mining companies), announced that they have signed a collaborative agreement focused on the safe carriage of iron ore. The agreement was signed at a ceremony held after a meeting of executives from both companies at the Rio Tinto Japan office on 3 December 2013. ClassNK Executive Vice President Yasushi Nakamura and Warwick Smith, Managing Director, Sales and Marketing for Rio Tinto Iron Ore, signed the agreement on behalf of their respective organizations.