Fuyao Glass, a major automotive glass producer, saw its founder warn investors that the company may shut down its American plants. The warning stems from growing trade friction and tariffs between the US and China, which the founder stated the company cannot sustain.

As one of the world’s largest automotive glass producers, and the subject of an Oscar-winning documentary, Fuyao Glass is a familiar name in the United States. Now, its founder has warned he is prepared to shut down his American plants if trade friction and tariffs cause severe losses. Responding to questions regarding geopolitical risks at the company’s annual general meeting, Cao Dewang said that the company would not engage in loss-making ventures. “How much in duties you want to impose is...