The international association for the maintenance of women's identity is the sole-owned subsidiary of the f-yours international group in china, founded by the yffc women's characteristist doctor of medicine and sex specialist jack simpson (jack simpson) and an international enterprise that industrializes the maintenance of women's identities. The yin chi project combines scientific research, production and technology, and is the first to be introduced into china into the forefront of the world's current physical and physical beauty projects — female identity maintenance. In august 2002, yung chi introduced the concept to mainland china, autonomously developing technology and producing a series of products. The company has always adhered to the concept of a business culture and business of high quality and service, relying on a well-known team of technologists at home and abroad, and has continued to create fine-forming projects for the industry, bringing more happiness and happiness to chinese women. As an advocate for the maintenance of female identity, in recent years companies have continued to improve a complete marketing model, such as a chain management system, a marketing system, a beauty salon system, and talent training. Over time, the company's projects have grown more mature and stable, and its teams have grown stronger. Market networks have become radioactive in hong kong, beijing, shanghai, shenzhen, guangzhou, xiamen, chongqing, hangzhou, guilin, guiyang, kunming and taiwon provinces and cities, all over china. With china’s reform and development coastalization, the company’s inland market has continued to move steadily, expanding its broader development orientation, with its headquarters in hong kong, shenzhen being set up as the mainland market hub, and a domestic plan to set up more than 10 branches. In the future, the company’s vision will be expanded to the international market. Tsang chi has always been a health project aimed at creating healthy and beautiful women. To meet the different needs of women of all ages, including breast care, endocrinology, female private maintenance, three special features of a series of four stages of platooning, adjustment, health and maintenance, combined with human pulsation, colour energy, serving different groups of clients, allowing chinese women to become more beautiful at the same time and to combine their bodies, hearts and minds, better able to understand life, love and health, and become a woman of the word