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. TRB에는 현재 두 개의 공장이 있습니다. 하나는 순수 천연 식물 추출물 공장이고 다른 하나는 꿀벌 제품 공장이며 ISO9001, ISO22000, HACCP, ORGANICAL, FDA, HALAL, KOSHER와 같은 일련의 인증서를 보유하고 있습니다.