Longduoduo Company Limited, together its subsidiaries, provides preventive healthcare solutions in the People's Republic of China. The company offers range of preventive healthcare services, including disease screening, healthcare treatments, healthcare products, and other services for the prevention of myocardial infarction, cerebral infarction, hemiplegia, and cardiovascular and cerebrovascular diseases through third-party healthcare service providers, product suppliers, and sales agents. It also provides meridian-regulating and consciousness restoring iatrotechnics; double blood purification; immunological ozonated autohemotherapy; platelet-rich plasma; relaxation therapy; vegetative nerve regulation; and microwave therapy. The company was founded in 2020 and is headquartered in Hohhot, China.