Nanjing Tong Rui Bio-Tech Co., Ltd. referred to as TRB, has been focusing on natural extracts for 18 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 currently has two factories, one is a pure natural plant extract factory, the other is a bee product factory, and we have a series of certificates such as ISO9001, ISO22000, HACCP, ORGANICAL, FDA, HALAL, KOSHER.