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 hap...