Six years. Official website shows that Hong Kong Yayun International Co., Ltd. was established on 20 17, with the health concept of solving problem skin, integrating research and development, production and sales, education and training of beauty products. Since its establishment, the company has been adhering to the business purpose of "wisdom for small wins and morality for big wins", "new thinking, new system and new service", with high-quality products, professional technology and.