Rosavins, Rosavin, Rosin manufacturer / supplier in China, offering Rhodiola Rosea Extract / Rosavins / Salidroside, Panax Ginseng Extract / Ginsenosides (low pesticide residue), Fenugreek Seed Extract / Trigonella Foenum-Graecum / 4-Hydroxyisoleucine / Saponins and so on.