Guangdong Siji Youmei Industrial Co., Ltd. is a modern enterprise integrating scientific research, production and sales. It specializes in the research, development and manufacturing of high-quality health foods and daily necessities. Brands such as Youhuo Biology, Yangguwen, and HHA are all products produced by Guangdong Siji Youmei Industrial. Its products have passed the tests of many domestic and foreign authoritative institutions, including PONY, SGS, STC, TUV SUD, Saudi SFDA, Shenzhen SMQ, etc., and are sold in more than 120 countries and regions.