Shaanxi Yongyuan Bio-Tech Co., Ltd. headquartered in Xi' an, is an expert in the field of biochemistry, pharmacology and analysis of herbs and natural compounds. We are mainly engaged in plant....

Xi' an Chukang Biotechnology Co., Ltd bound with the concept of faithful service and professional innovation, has dedicated to the identification, development and production of active constituents....

At Shaanxi NatureSource Phytochem Co., Ltd, we are dedicated to producing the high quality active ingredients from the selected natural herbs and plants. Fully equipped with our state-of-the-art....