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A number of powerful international companies and commercial agencies , such as Ito Bureau of Japan , Han Hua Group of South Korea , Jeffrey Group of the US , etc. participated in this Urumchi Negotiation Meeting .
 Ito Bureau, Japan, Han Hua Group, South Korea, Jeffrey Group, US, this Urumchi Negotiation Meeting
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Ito Bureau, Japan, Han Hua Group, South Korea, Jeffrey Group, US, this Urumchi Negotiation Meeting