Jining Aoxing Stevia Products Co. ,Ltd was established in May 1997 . It was originally located in Chengwu county , shandong province . In order to enlarge the production capacity and convenient procurement of raw materials , the company has moved to Nanzhang township , jining city in 2004 and with land area of 50 Mu , total investment of 28 million yuan , and a new production line has been set up with yearly production capacity of 150 tons . At present there are 98 staff workers and building area of 8 thousand square metres . The company possesses a strong technological team in which there are 38 technicians including 8 engineers plus senior engineers , there has established one R & D institute , and first grade testing & inspection equipments , all of these guarantee the products comply to the national standard ,and are well sold around China and abroad . The company has raised tens of thousand of Mu of stevia plantation base in Shandong , Jiangsu , Anhui , and the fine quality stevia species are breeded to make sure that the leaves are free of contamination .