The two countries seemingly renew their vows as Communist brethren, with China's Hu Jintao promising to help develop his ally's economy and North Korea's leader expressing desire to resume nuclear talks. Chinese President Hu Jintao promised North Korean leader Kim Jong Il help in developing the North's economy while Kim spoke of his desire to restart talks on the nuclear program during a summit Friday in the northeastern Chinese city of Changchun, the Chinese government said Monday.