Why would they care? They are selling a Chinese made product to the Chinese. Maybe not as profitable due to exchange arbitrage, but still profitable since the

Why would they care? They are selling a Chinese made product to the Chinese. Maybe not as profitable due to exchange arbitrage, but still profitable since the costs go down exactly as much as the retail price does. Engineering for the Chinese market already exists due to all the other markets, so it's essentially money left on the table if they don't.