danang vietnam japanese prime minister shinzo abe chinese president xi jinping hail fresh start relationship countries meet saw agree work closely north korea leaders meet sideline asia pacific economic cooperation apec summit vietnamese resort city danang tie china japan world second- third-largest economies plague long-running territorial dispute cluster east china sea islets end meet president xi say meet mark fresh start relations japan china totally feel way abe tell reporters abe say propose visit china appropriate time would follow xi visit japan meet two countries agree deepen cooperation north korea hold trilateral summit south korea early possible date north korea situation important phase role china ought play big abe say china japan also agree accelerate talk early implementation communication mechanism military force abe say also propose japan china cooperate business third countries china statement meet release official xinhua news agency cite xi tell abe stable relations side interest must make unremitting efforts continue improve tie two countries must take constructive step appropriately manage control dispute exist two countries xi add abe hail 'fresh start japan-china tie xi meet