Nanjing Tong Rui Bio-Tech Co., Ltd. yotchedwa TRB, yakhala ikuyang'ana zowonjezera zachilengedwe zaka zoposa 20, TRB ndi kampani yaukadaulo yomwe imaphatikiza R&D, kupanga ndi malonda apadziko lonse lapansi. Zogulitsa za TRB zimaphatikizapo zopangira mbewu, zopangira nyama, zotsekemera, nootropics, madzi a zipatso ndi ufa wamasamba, mafuta ofunikira ndi zakudya zowonjezera.TRB pakadali pano ili ndi mafakitale awiri, imodzi ndi fakitale yopangira mbewu zachilengedwe, ina ndi fakitale yopanga njuchi, ndipo tili ndi ziphaso zingapo monga ISO9001, ISO22000, HACCP, ORGANICAL, FDA, HALAL, KOSHER.