Taiwan clearly stated that they wouldn't extradite the man under this bill. This is the exact lie the government has been telling to mislead people who don't follow the news.
[1] http://www.ejinsight.com/20190213-govt-proposes-revising-ext...
"Taiwanese authorities had asked their counterparts in Hong Kong multiple times to extradite Chan for a court trial, but that has not happened due to restrictions from Hong Kong law."
http://focustaiwan.tw/news/asoc/201902130023.aspx
"Tsai Chiu-ming (蔡秋明), head of the Department of International and Cross-Strait Legal Affairs under the Ministry of Justice, said Taiwan welcomes closer cooperation with other jurisdictions to combat cross-border crime, and he is glad to see Hong Kong's planned legislation."
[2] "Taipei will not agree to transfer of Hong Kong murder suspect if Taiwanese citizens risk being sent to mainland China"
https://www.scmp.com/news/hong-kong/politics/article/3009506...