chapter 497 The dead will keep secrets forever

"Boss Du, it really wasn't me who poisoned you. This matter has nothing to do with me!" Hu Zhicheng loudly defended himself: "I bought all my herbs from Renji Herbal Medicine Store. I am his old customer. The herbs he sold to me in the past have never had any problems." "Yang Ling, take a few people with you, take him and Lao Ding with you, and follow me." Du Quan said, "Let's go to Renji Medicinal Herbs Store." Yang Ling is the security captain of Du's Pharmaceuticals. He called six or...