Complex sentence: Two county-level cities have urbanized areas with more than 1 million inhabitants, Xinghua with 1,428,790 inhabitants and Taixing with 1,179,904 inhabitants, comprising two of the most important county-level cities in China.
Split into simpler sentences: Two county-level cities have urbanized areas with more than 1 million inhabitants, Xinghua with 1,428,790 inhabitants and Taixing with 1,179,904 inhabitants. These are two of the most important county-level cities in China.