A spokesman for Wintek said that "almost all" of the affected workers were back at work, but that some remained in hospital.

But if you in Iowa prove that it is not just about the money, it is about the message, it is about what people care about, then we will have an impact on politics for decades to come.

Fuji Heavy's sales volume in China is still well below those of its Japanese rivals, and it is one of the few Japanese companies without a factory in the biggest auto market.