Are there any good chemical enterprises in Dongying?

There are too many good chemical enterprises in Dongying. Because it is originally an oil city, oil refining is relatively developed. On the bright side, state-owned enterprises have Shida Technology and Shengli Chemical.

Then there is the private sector, too much. Specifically, Haike Chemical, Huatai Chemical and so on are all quite good. But these are hard to get in.

There are many chemical plants in general, and there is a big one from online search.