u Linquan just refuses to speak.Ou Yan took out the USB drive, held it in her hand, and raised a smile. "I exchanged all the evidence for one answer from you."Hu Linquan was somewhat moved.You only ha...e some knowledge of pharmacology. You know why I suspect you Because there is a herb in the medicine I gave my grandfather that can be easily extracted into siwizi. You are very clever, instead of buy...