The high quality plant raw materials is the source of the production of natural plant extract. Hagen biotechnolgoy Co., Ltd as a Standard operation manufacturer, especially pay attention to extract sources of raw materials in the production, and put a lot of energy to focus on raw materials production base construction.

In order to ensure that the main products supply of raw materials and quality, and formulated a vision of sustainable development, the construction of the multiple plant resources variety and plant base, effectively ensure the raw material supply, so that the quality of raw material with a strong controllable.Hagen established green tea, artemisinin, honeysuckle, eucommia, Luo han guo, stevia standardized production base in huaihua, yongzhou, changsha, xiangxi, and other places, to ensure the raw material source is natural , low residue.

Hagen in protecting wild resources and the natural environment, the principle of the construction is in the process of a group of new plant GAP standardlizational planting base.