To be clear, I'm not defending any of them, either. I re-posted here, in fact, because I was afraid that some of my earlier posts might have seemed to be supportive of Hon Hai.
As to well-run Chinese companies. Yes, there are quite a few. Ningbo Beifa comes to mind. I'm at a disadvantage, though, as I really can't name names without creating problems with NDAs my company has in place. But Beifa is a prime example of what I said earlier. They want to sell to the monster office supply chains: Staples, Office Max, Office Depot, Kinko-FedEx. In order to do so, they have had to pass some pretty tough inspections. Rather than glossing things over, though, they actually implemented the policies and made them part of the corporate culture.
My experience with the Japanese vs American vs European clients is somewhat different. I can break their behaviour down by business category. The big retailers (multi-product) tend to be much more socially conscientious. The HiTech are animals. The garment companies are penny-pinchers and will look the other way on any corner-cutting as long as the garment passes QC. Electrical appliance and machinery buyers tend to care about the engineering quality of the products, and thus tend to tie-in to longer relationships. Those guys are very very supportive of their own social compliance auditors and I've known one of them to cancel contracts with a company that refused to adjust its working hours, for instance.
By all of this I mean that Canon or Hitachi are more likely to behave like Apple or Dell than, say, Sogo. And Sogo's more likely to behave like Federated Stores than, say, Honda.