C560 Seize the Opportunity to Survive

"What is this?" Faang Xinyi looked vigilant.

"Thallium sulfate has a lethal dose of 800 milliliters, which is about half the bottle cap. It can kill a person. I believe that you, who have been trained by the secret service, know very well how toxic it is." Han Jingsheng's tone of voice didn't change at all, like a waiter reporting the name of a dish without any expression