Longduoduo Co Ltd is a company principally engaged the provision of preventive care services. The Company provides solution for chronic disease problems through non-drug treatments and prevents cardiovascular and cerebrovascular diseases in advance. The Company offers health consultation and advice to customers and sells treatment services to customers, provided by Longduoduo to customers in local cooperative medical institutions. The Company's treatment projects mainly include ozone autologous blood transfusion (immunotherapy), Xingnao Tongluo therapy, double blood purification, platelet-rich plasma (PRP) injection therapy and others. The Company's products and services are mainly used for the prevention of myocardial infarction, cerebral infarction, hemiplegia, cardiovascular and cerebrovascular diseases.