China and the US have reached important consensus on joint fight against cyber crimes, Chinese President Xi Jinping said on Friday, stressing bilateral dialogue and cooperation on cyber issues.At a joint press conference with US President Barack Obama at the White House, Xi said China and the US have agreed to step up investigation assistance and information sharing on cyber crime cases."China and the United States are two major cyber countries and we should strengthen dialogue and cooperation," Xi said, adding that confrontation and friction are not the right choice for both sides.