1.our own factory and base 2.top quality with competitive price ... products.Our specification is as follow.Stevioside: 80%,90%, 95%, 98% Rebaudioside A (Reb A or RA): 40%, 60%, ... 80% ,90%,95%,96%,97%,98%,99%,etc.Non-bitter stevioside (Enzyme treated stevia,Glucosyl ... SG98RA9898% Rebaudioside-A98%~98.60%98%~98.20%0.1%~0.6%0>480timesSG97RA9595% Rebaudioside-A97%~98%95%~96%2%~3%0.1 ...