A collection of Chinese TTS tools

Smooth woman voice only (Zhiyu, Female)
Can download as MP3
Input limit 3000 characters
https://ttsmp3.com/text-to-speech/Chinese%20Mandarin/

High frequency woman voice only
Can download as MP3
Input limit 1000 characters
https://speakabo.com/text-to-speech

Smooth woman voice only (Zhiyu, Female)
Can download as MP3
Input limit 1000 characters
https://www.text2voice.org

Best solution: (on MAC)
say -f $1.txt -v ting-ting -o $1.aiff