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In agriculture , the integrated agricultural development project invested in by Australia ' s Southern Australia - Shandong Stock - holding Company , Ltd . in the Yellow River delta region has a total investment of nearly 30 million US dollars and over 10 million US dollars of contracted foreign capital .
 Australia, US, US, Australia ' s Southern Australia - Shandong Stock - holding Company , Ltd, the Yellow River delta region, Yellow River, Yellow River delta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Australia, US, US, Australia ' s Southern Australia - Shandong Stock - holding Company , Ltd, the Yellow River delta region, Yellow River, Yellow River delta