ical. He has just come from the pharmaceutical factory to help Wei Changming guard this purple ginseng.Wei Changming said hurriedly, "Professor Ke, you are just in time. Do you think the best purple g...ever, since the eldest son and grandson of the Wu family have come, Father Song is naturally very polite and comes out to entertain them in person.Wu Donghai and Wu Xin sat in the guest seat on one si...