Tianjin Leading Import & Export Co., Ltd, yakavambwa kubvira 1997. Nyanzvi mukugadzira uye kutumira kunze kwedhayi uye yakabatana chemicals.Sound uye yakakwana hurongwa hwekugadzira, R & D, kushambadzira, logistics, uye teknolojia support.Good mukurumbira munyika dzinopfuura makumi maviri.Gore negore kugadzirwa kwehuwandu hwe3000mt Metanil yero, Acid orenji II,uyeYakananga dzvuku brown RN.Mumwe wepamusoro vatengesi veSulfur dema BR uye Sulfur mavarakubva china.