Taiwan is a country. Taiwan is not a part of China.

ignorant

I am not sure exactly what you are complaining about as that is the correct standard name. See http://www.iso.org/iso/english_country_names_and_code_elements

Please check your facts and let me know if you have any more questions.

CIA:
https://www.cia.gov/library/publications/the-world-factbook/geos/tw.html

MOFA of Japan:
In line with the 1972 Japan-China Joint Communique, Japan-Taiwan Relations has been maintained as working relations on a non-governmental basis.
http://www.mofa.go.jp/region/asia-paci/taiwan/index.html

Wikipedia:
http://en.wikipedia.org/wiki/Republic_of_China

Office of the President
Republic of China (Taiwan):
http://english.president.gov.tw/


Taiwan is not a part of China. Although we have a weak diplomacy.

There is a funny video explained the all things.

http://www.youtube.com/watch?v=H5KEitxFxL4

You can find a contact page on the ISO link I provided. This is not exactly my area of expertise as you can imagine, but they should be able to give you a reason for why it is named that.