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At the same time , this company ' s operating volume increased from 50 million US dollars in past years to 2 billion US dollars last year , and profit last year exceeded 350 million US dollars , becoming the most successful foreign merchant investment corporation investing in China .
 US, US, US, China, this company, the most successful foreign merchant investment corporation investing in China, foreign merchant
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:
 US, US, US, China, this company, the most successful foreign merchant investment corporation investing in China, foreign merchant