Shaanxi Supplier Biological Technology Co., Ltd. is located in the ancient city of Xi&＃039;an, Millennium。The employees uphold honesty, concept quality first, In field plant extracts containing several hard work。To create a unique products -renowned ...

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, ...