Present situation and prospect of criminal cooperation between China and Vietnam 并列题名：Present situation and prospect of criminal cooperation between China and Vietnam Current situation and prospect of ethnic relations in China Logic and path of production capacity cooperation between China and Armenia Production capacity cooperation between china and nigeria Research on trade and investment cooperation between China and Poland Production capacity cooperation between China and Kenya 并列题名：Production capacity cooperation between china and nigeria Production capacity cooperation between China and Africa Research on vocational education cooperation between China and Sudan