The UN would continue to adhere to the one-China policy, Ban added.
Chinese Premier Wen Jiabao, meeting with Ban earlier on Wednesday, said China would make active efforts to reach the Millennium Development Goals (MDGs).
China would work with the international community to help other developing nations to achieve common progress and prosperity, Wen said.
Wen said all nations should increase multilateral cooperation to cope with the global food shortage by means of assistance, finance, trade and technology. China was ready to take an active part.
China fed 22 percent of the world's population using less than nine percent of the world's land. This was a contribution to global food security, Wen said.
Ban praised China's important and constructive contribution to safeguarding world peace and common development, hoping China would play a bigger role.
Chinese Premier Wen Jiabao (R) shakes hands with UN Secretary-General Ban Ki-moon at Zhongnanhai in Beijing, July 2, 2008.(Xinhua Photo)
Wen also briefed Ban on China's relief and reconstruction efforts in the earthquake-hit region, and expressed gratitude for the sympathy and assistance offered by the United Nations and Ban himself after the May 12 earthquake.
Ban arrived in Beijing Tuesday afternoon for a three-day official visit to China at the invitation of the Chinese government.
The UN chief had visited the Yingxiu township in Wenchuan County to speak to earthquake survivors on May 24.
(Xinhua News Agency July 3, 2008)