Xi&＃039;an SaiNa Biological Technology Co.Ltd focused on the research, production and sale of natural herbal extract, Mainly product are saw palmetto extract, bilberry extract, acerola extract, red clover extract and ect. Our products are exported all over the world. Our sale office located in Xi&＃039;an, Shaanxi, factory located in Sanyuan country, Xianyang, Shaanxi province. Our factory adopt superior materials and strictly implement production process, devote the natural and healthy product for you!