27
At the annual Spring and Autumn China Export Commodity Trading Fair , the Network Center also regularly holds merchant invitation meetings , taking advantage of the opportunity of traveling merchants from various countries gathering for the Guangzhou Fair , to organize and launch economy and trade co-operation project talks .
 Spring and Autumn China Export Commodity Trading Fair, the Network Center, the Guangzhou Fair
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:
 Spring and Autumn China Export Commodity Trading Fair, the Network Center, the Guangzhou Fair