Title is slightly misleading. They don't care which country the battery plants are coming from, they're just against EV battery plants being setup nearby in general:

Locals fear environmental degradation, and previously spent years opposing South Korean battery plants.

“We fear that CATL will bring pollution and environmental consequences on our land,” Kozma said.

The Chinese police in Hungary will take care about this.

Wait until they hear about the Bolivians fighting against USA EV batteries.

https://www.counterpunch.org/2020/07/29/we-will-coup-whoever-we-want-elon-musk-and-the-overthrow-of-democracy-in-bolivia/