Nah, fires are dangerous and everyone can see them, plus you lose the capital investment and you can't undo it quickly, so you have no leverage. If you want to create a shortage for international leverage, there's a million bureaucratic ways to do it. "Oh these products are unsafe, your factory permit expired, we're investigating corruption, the shipment is uninsured, there's a covid outbreak" on and on, and there's a mandatory ccp officer in every factory so it's easy to do. The government can also just buy the products and dump them in a field somewhere, they did this with electric cars and scooters.