<h1>Tariff risk constrains major EV maker's market entry while import duties affect its export strategy.</h1> BYD recorded record revenue and expanded exports, selling about 4.3 million electric and hybrid vehicles with nearly 29 percent of sales outside Greater China. Trade constraints affect its international strategy: the company has not sold in the United States amid a pledge to raise import tariffs and faces a 17 percent tariff on EV imports into the European Union, factors that shape pricing, market entry, and deployment of charging technology.