C672 Negotiating

Chu Yang said angrily, "Alright, let's not talk about this anymore. I've already given you the formula for the medical building materials and the product. I'll try to prepare for the exam. If you are nothing, don't disturb me."

Chu Yang touched his nose and said with a faint smile, "It seems like someone said that the needle behind the bee's tail is the most poisonous woman