Complex sentence: There is no special organization tasked with the enforcement of the Chinese constitution, although the constitution stipulates that the National People's Congress and its Standing Committee have the power to review whether laws or activities violate the constitution.
Split into simpler sentences: There is no special organization tasked with the enforcement of the Chinese constitution. Although in the constitution it stipulates that the National People's Congress and its Standing Committee have the power to review whether laws or activities violate the constitution.