Xian Tianyi Biotechnology Co.,Ltd. mainly specializes in plant extracts. Our hot sales items include propolis, Bilberry P.E ,Cranberry P.E.,Elderberry P.E., Black bean hull P.E.,Black currant P.E.,Phytosterol, Vitamin E, Mangosteen P.E., Alpha Lipoic Acid, L-Carnitine Base, Aloe vera gel powder, Pepsin,Papain, Pancreatin, SOD (SUPEROXIDE DISMUTASE), Lipase, Capsaicin, Colchicine, Rhodiola Rosea P.E.,Milk thistle P.E., arbutin.