Tianjin Leading Import & Export Co., Ltd, e thehiloeng ho tloha ka 1997. Setsebi sa ho etsa le ho romela thepa ea dyestuff le lik'hemik'hale tse amanang le tsona.Sound le tsamaiso e phethahetseng ea tlhahiso, R&D, papatso, thepa le tšehetso ea theknoloji.Botumo bo botle linaheng tse fetang 20.Bophahamo ba tlhahiso ea selemo ea3000mt Metanil yellow, Acid orange II,leRN e bofubelu bo bofubelu bo tobileng.E mong oa barekisi ba kantle ho naha baSulfur black BR ​​le mebala ea Sebaboleho tsoa China.