10926
It is estimated that the number of people attending the conference will surpass 10,000 , among whom about 1000 foreign businessmen and representatives of agencies in China were invited having an unprecedented scale .
 10,000, about 1000, China
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:
 10,000, about 1000, China