https://www.thegatewaypundit.com/2023/07/tulsi-gabbard-calls-congress-ban-use-harmful-chemical/
She wants to ban atrazine.
Atrazine's primary manufacturer is Syngenta and it is one of the most widely used herbicides in the United States, Canadian, and Australian agriculture.
https://en.wikipedia.org/wiki/Atrazine
It is owned by ChemChina, a Chinese state-owned enterprise.
https://en.wikipedia.org/wiki/Syngenta