Profile: Tianjin Erlun Chemical Science and Technology Co., Ltd. is a provider of organic chemical raw materials. We specialize in manufacturing dyes and dye intermediate products. These include direct dyes, reactive dyes, acid dyes, basic dyes, solvent dyes, as well as various liquid dyes, special wood dyes, and paper dyes. Dye intermediates include tobias acid, J acid, J acid urea, phenyl J acid, and amino C acid. We involve high pressure liquid chromatographs, gas chromatographs, and other analysis equipment to analyze & control our products. The are widely used in plastic, rubber, and printing industries.