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This procurement was implemented following international conventions , finally determining that the program controlled switch products of Shanghai Bell , represented by the China Electrical Import and Export Affiliation Company , has won the bid .
 Shanghai Bell , represented by the China Electrical Import and Export Affiliation Company, the China Electrical Import and Export Affiliation Company
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:
 Shanghai Bell , represented by the China Electrical Import and Export Affiliation Company, the China Electrical Import and Export Affiliation Company