What are some of the technology in china in 2000-221 B.C.E?

Answer 1

Here's the time line for Chinese technology:
http://www.computersmiths.com/chineseinvention/

Details on the inventions here:
http://en.wikipedia.org/wiki/List_of_Chinese_inventions

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Cheers,
Bruce

Answer 2

Here you are ... history of Chinese inventions.
http://inventors.about.com/od/chineseinventors/Chinese_Inventions.htm
This resource will help you answer your question.