Log> Screwed over in international trade?

What should I think of this: after approving an initial set of product samples, a supplier in China tells me that there is a shortage of raw materials for this particular product, and that the price per item would need to be increased to 13 dollars (which happens to be very close to a nice, round 100 yuan). They offer to use a different method, which would produce unacceptable results (and would also cost them about 5% of what the original material would). The raw materials are mostly simple petrochemicals, so I can easily check whether they have in fact increased in price.

I think it's the first round in getting screwed over in international trade. Luckily, I've covered my bases and gotten quotes from multiple suppliers, but it's lost time and lost money anyway. This probably wasn't the right supplier to build a longer relationship with anyway. And, the product was definitely the highest-risk in terms of sheer oddity and was a bit questionable in terms of sustainability, so maybe this was all for the better.

Goodness. I was so pissed off when I started writing this, and now I'm all serene and zen and stuff. The therapeutic effects of blog writing in action.