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Its subsidiary , Henan Shuanghui Investment & Development Company Limited ( ) , was established and listed on the Shenzhen Stock Exchange in 1998 .
 Henan Shuanghui
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Henan Shuanghui