I am a US citizen in Taipei City. I want to make a quick trip (less than 24 hours) to Shanghai.

I am a US citizen currently in Taipei City. I want to make a quick trip (less than 24 hours) to Shanghai and then return to Taipei City. Specifically, I would like to take the morning flight from Taipei to Shanghai, attend my business meetings in Shanghai and then fly back to Taipei same day in the evening. I DO NOT HAVE CHINA VISA. Can I use the 72 hour free transit policy to make this trip to Shanghai ?