※ Stevia 90%（Total content>90%: ST>55% R-A>20-25%）
It is most widely used and manufactured according to the national quality standard. It is white or light yellow powder or granule with lasting and cool sweetness. It has unique properties of high sweetness, low calorie and high cost performance. The sweetness of it is 250 times of cane sugar, but the calorie is 1/300 of it. It can prevent people from hypertension, diabetes mellitus, obesity, heart disease and tooth decay etc., and is a perfect sweetener instead of cane sugar.

※ Stevia 95%（Total content >95%: ST>60% R-A> 25%）
It is refined from Stevia 90%. Compared with Stevia 90%, the content of efficient components of it is higher. The sweetness of it is 250 times of cane sugar and it is often used in medicine and health care industries.

※ Stevia 98%（Total content>98%）

Compared with Stevia 90% and Stevia 95%, the purity of it is higher. The sweetness of it is 270 times of cane sugar and it is mostly used in medicine industry.