365919
Under Tsai ’s helm , Mayar Silk Mills , a premier Shanghai silk manufacturer , used its prowess in technologies , marketing and management to reach a dominant position , and Tsai became an icon in early Chinese industrial circles .
 Tsai, Tsai
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tsai, Tsai