US is also considering other options, including working with allies to present a united front to Beijing in demanding a level playing field for global firms

While Beijing should be held accountable for unfair trade practices, the tariffs are hurting US businesses and exacerbating supply issues, companies and members of Congress say

Penalties applied after authorities were "preliminarily determining that there was dumping of imported polyphenylene ether"

Beijing will approve the preferential tariff treatments next year to least developed countries it has established diplomatic relations with