China will negotiate and sign a new economic pact with Africa that will get rid of all tariffs on the 53 African states it has diplomatic ties with, it said, a move that could benefit middle-income nations.

The United States and China have agreed on a framework to implement their trade truce, officials on both sides said Wednesday, after concluding two days of talks in London to defuse tensions and ease export restrictions that threaten to disrupt global manufacturing.

After months of rising tensions, U.S. and Chinese negotiators have agreed on a “framework” to implement agreements that have been reached on trade, officials said late Tuesday.