In the era when Longrich gave beauty, myopia could not be cured. Longrich is a daily chemical company. Langruiqi Biotechnology Co., Ltd. is the largest research, development, production and marketing base of daily chemical products and health care products with the most advanced technical force in China. The company has more than 20,000 employees, among whom the proportion of college students, graduate students, doctoral students and experts exceeds 35%.