Nanjing Tong Rui Bio-Tech Co., Ltd. referred to as TRB, has been focusing on natural extracts more than 20 years, TRB is a technology-based company that combines R&D, production and international market sales. TRB products include the plant extracts, animal extracts, sweeteners, nootropics, fruit juice and vegetable powders, essential oils and nutrition supplements. TRBには現在2つの工場があり、1つは純粋な天然植物抽出工場、もう1つは蜂製品工場であり、ISO9001、ISO22000、HACCP、ORGANICAL、FDA、HALAL、KOSHERなどの一連の証明書があります。