Qualified raw materials are the foundation of product quality and safety.

Selection of raw material origin, based on factors such as fresh air, sanitary water, soil safety, simple folk customs, and easy implementation of advanced planting technology, preferential selection of raw materials of origin;

Variety confirmation, through the detection of the production environment of raw materials, the controllable effective content of production regulations, to determine the excellent varieties, and establish a seed depository;

Self-built planting bases and selection of qualified long-term suppliers through methods such as survey visits, cultivation records review, production site on-site understanding, and product inspection.

For raw materials with origin requirements, we insist on purchasing only from the origin.