Zhong Yuan Bio-Technology Holdings Limited engages in the sale of plant-derived nervonic acid dietary supplements in China. It operates through four segments: Sales of Dietary Supplements; Research and Development Services; Royalties; and Event Organization. It also develops early detection kits for brain diseases and new drugs for neurological diseases; and technical supporting services. It sells its products under the Muzhiyuan-Neuro Enhancer brand. Zhong Yuan Bio-Technology Holdings Limited Limited is based in Wanchai, Hong Kong.