TAIPEI/PALO ALTO, U.S. -- The latest Washington crackdown on Huawei Technologies reveals how a handful of U.S. companies, dominating a few key areas of the global chipmaking industry, hold the key to choking off supplies to the Chinese tech titan.
American chip dominance gives Washington powerful weapon against Chinese company

The U.S. has banned Huawei from obtaining foreign-made chips developed or produced using American software or technology in the latest crackdown on the company. (Nikkei montage/Reuters)
TAIPEI/PALO ALTO, U.S. -- The latest Washington crackdown on Huawei Technologies reveals how a handful of U.S. companies, dominating a few key areas of the global chipmaking industry, hold the key to choking off supplies to the Chinese tech titan.