Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Gusuku Sites and Related Properties of the Kingdom of Ryukyu' has mentioned 'China' in the following places:
Occurrence Sentence Text Source
The three kingdoms competed for territory in the Okinawa Islands and recognition from Ming China.
Criterion (ii): For several centuries the Ryukyu islands served as a centre of economic and cultural interchange between south-east Asia, China, Korea, and Japan, and this is vividly demonstrated by the surviving monuments.