Original:  In modern-day Taiwanese politics, the KMT primarily competes with rival Democratic Progressive Party, opposing de jure Taiwan independence and Chinese unification under "One Country, Two Systems," instead favoring cordial cross-strait relations with China by endorsing the 1992 Consensus and maintaining Taiwan's status quo under the Constitution of the Republic of China.
Revised:  In modern-day Taiwanese politics, the KMT primarily competes with rival Democratic Progressive Party, opposing de jure Taiwan independence and Chinese unification under "One Country, Two Systems," instead favoring cordial cross-strait relations with the People's Republic of China (PRC) by endorsing the 1992 Consensus and maintaining Taiwan's status quo under the Constitution of the Republic of China.
Edit intent: clarity