I liked Dogswell brand treats until I found out they were also sourced from China. We immediately stopped feeding those.
Melamine poisoning has affected not only pets world-wide, but people, as well (I'm still haunted by news of the infant milk scandal, not that it affected me directly, but still…). I buy a lot of Asian groceries. I'm already skeptical about Chinese-made food processed for human consumption, but while I can pick and choose what I'm willing to eat/prepare for myself, I won't buy anything for my dogs that was made in China.
This includes chew toys, as well. I have an uncle who owned and operated a dog toy manufacturing plant in China. I wouldn't be surprised if they used the same dyes in their plastic as in their rawhide chews, as the latter were so colorful and, well, gross-looking.