Negotiations between the nations officially began on October 13, 1962, and resulted in an agreement being signed on 2 March 1963.
It was signed by foreign ministers Chen Yi for the Chinese and Zulfikar Ali Bhutto for the Pakistani.
The eastern tip of the Wakhan Corridor starts the Sino-Pak border between the People’s Republic of China and Pakistan spanning about 559 km (347.3 mi).