Tianjin Leading Import & Export Co., Ltd, guzosie ike kemgbe 1997. Ọkachamara na mmepụta na mbupụ nke dyestuff na metụtara chemicals.Sound na zuru okè usoro nke mmepụta, R & D, ahịa, lọjistik, na technology support.Ezi aha na karịa 20 mba.Kwa afọ mmepụta olu nke3000mt Metanil odo, Acid oroma II,naRN na-acha uhie uhie na-acha uhie uhie.Otu n'ime ndị na-ebupụ kacha eluSulfur ojii BR na Sulfur agbasitere na china.