That was said in the news (a very reliable channel, by the way). And the Chinese government was quoted that they will react with a tit for tat strategy.
And furthermore:
It would totally make sense from a Chinese point of view: Because Kodak is dependent on export. They make excellent products which are used around the world. And are very popular in China as well. As already explained above: The Americans buy very little silver photo halide products from China.