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 -nin hazırda iki fabriki var, biri saf təbii bitki ekstrakt fabriki, digəri arı məhsulu fabriki və ISO9001, ISO22000, HACCP, ORGANICAL, FDA, HALAL, KOSHER kimi bir sıra sertifikatlarımız var.