Sunrider Corporation has blended bits of traditional Chinese herbal medicine with modern multilevel marketing. The company manufactures and sells health, beauty, food, and household products enhanced with herbs and herbal extracts. Its brands include Kandesn, Vitalite, SunBright, and SunSmile. Sunrider has manufacturing operations in China, India, Singapore, Taiwan, and the US. Its products are sold in more than 40 countries through multilevel marketing via distributors and directly to customers. However it is expanding its network of franchised stores in several Asian countries. Owners (and spouses) Tei-Fu Chen and Oi-Lin Chen started Sunrider International in 1982.