Original sentence: On the mainland, the victorious Communists established the PRC, claiming to be the sole representative of China including Taiwan and portraying the ROC government on Taiwan as an illegitimate entity.Taiwan is also currently claimed by the People's Republic of China (PRC) as a PRC province, although PRC has never controlled the Taiwan island or any of the current ROC territory commonly referred to as "Taiwan"
Edited sentence: On the mainland, the victorious Communists established the People's Republic of China, claiming to be the sole representative of China including Taiwan and portraying the ROC government on Taiwan as an illegitimate entity