WASHINGTON — In the depths of the pandemic, as global supply chains buckled and the cost of shipping a container to China soared nearly twentyfold, Marco Villarreal spied an opportunity. In 2021, Villarreal resigned as Caterpillar’s director general in Mexico and began nurturing ties with companies looking to shift manufacturing from China to Mexico. He found a client in Hisun, a Chinese producer of all-terrain vehicles, which hired Villarreal to establish a $152 million manufacturing site in Sa