How many state-owned brands of Wendeng American ginseng are there?
Three families. By the end of 5438+065438+2023 10, Wendeng * * had obtained the right to use the geographical indication certification trademark of Wendeng Panax quinquefolium, namely Weihai Wendeng Daodi Ginseng Development Co., Ltd., Weihai Changlin Ecological Agriculture Co., Ltd. and Weihai Haikuan Marine Biotechnology Co., Ltd.