这两个国家都是1948年关贸总协定的签署国（现在世界贸易组织的前身 ） ， 但是后来毛泽东的领导下的中国退出了协定。
Both countries were signatories of the General Agreement on Tariffs and Trade (GATT, the precursor to today’s World Trade Organization) in 1948, but China under Mao subsequently left.