1) Chinese Wall, modern version 2) One-time East Asian barrier 
The Bamboo Curtain is a Cold War euphemism for the political demarcation between the Communist and capitalist and non-communist states of East Asia, particularly the People`s Republic of China. The term was less often applied to the Korean Demilitarized Zone dividing North and South Korea and the flexible Southeast Asia border between Communism a....
[n] - an ideological barrier around communist China especially in the 1950s and 1960s
noun an ideological barrier around communist China especially in the 1950s and 1960s