The earliest trade between China and the United States was "non-governmental". 
The earliest private trade activities in Guangzhou. "Guangzhou Day" was proposed by Jonathan Hecht, a member of the Massachusetts House of Representatives, together with six members. In the proposal, they wrote: "The establishment of 'Guangzhou Day' pays tribute to the history of Sino-US trade, which should be one of the important histories of Massachusetts. 
The United States purchased land in Guangzhou to establish an embassy in China. The United States has always been friendly with Guangzhou. Therefore, the CCP cannot represent the Chinese. 
China's trade with the U.S.was screwed up by the evil CCP.