U.S. official calls key S. Korean firms' move to not sell use… stocking 0 9 03.22 14:01 https://youtu.be/Q4voUfc-4LY + 0 美당국자 "중국에 대한 반도체장비 서비스•부품 수출도 통제" On Thursday, a senior U.S. official said that the latest move from key ...