Guangxi â??Yuan An Tangâ?? was created in 15 years *****â??s one of the famous company which own a few hundred million yuan capital asserts and gather scientific research, technology and manufacure . The producing ability of the well-know materia medical could be 20 hundred million yuan annually.During the past 15 years, â??Yuan An Tangâ?? has made impressive progress on all aspects and it has got ISO9001: 2000 international quality management system certification and the State GMP certification.