C594 Green god pei-yuan ye

Upgrade?

"Isn't this Green God Pei-Yuan Ye a success? What is there to improve?" Qin Lang asked, confused.

"Although it was a success, the cost was not small." Wu Minghou said, "The cost for us to produce a tube of Green God Pei-Yuan Ye is around six million yuan."

"Six million?" Qin Lang said, "To be honest, if it's medicine, 6 million is only cheap