According to Aiqi search platform, Dr. Shangguan is a company founded by Shangguan Zheng himself. Shangguan is a doctor from Shanghai who has many years of clinical experience and research experience. I opened my own shop in Pinduoduo called Doctor Shangguan, which mainly sells some healthy foods and health products. Dr Shangguan is very popular in Pinduoduo. He often answers questions for users through live broadcasts and videos, sharing health knowledge and expertise in nutrition and health care.