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He entered the work force in 1970 as a sent-down youth in the countryside of Ma'anshan , and in 1971 became a steel worker at the Maanshan Iron and Steel Company .
 Ma'anshan, Maanshan Iron and Steel Company
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ma'anshan, Maanshan Iron and Steel Company