As the subsidiary of River Pharm, a GMP certified manufacture, Bio-Tech Inc. is leading supplier and exporter raw materials to animal nutrition, beverage, cosmetic nutritional supplement industries. has been dedicated research development herbal nutraceutical ingredients for more than ...

Guanyu Bio-tech mainly undertakes researching, developing and producing in fields of Anti-cancer pharmaceutical raw materials, intermediates herb extracts such as Irinotecan, Paclitaxel, Docetaxel, Resveratrol, Homoharringtonine, Etoposide, Topotecan, Camptothecin, ...