2427
China 's processing trade was mainly developed from the transfer of labor - intensive manufacturing industries or work processes from developed countries such as the US , Japan , etc. and countries and regions such as Singapore , Korea , Hong Kong , Taiwan , etc. , in order to reduce production costs and raise competitiveness .
 China, US, Japan, Singapore, Korea, Hong Kong, Taiwan
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:
 China, US, Japan, Singapore, Korea, Hong Kong, Taiwan