Profile: Haining Hongrui Chemical Technology Co., Ltd. manufactures dyes and pharmaceutical intermediates. Dyes intermediates include 2-aminotoluene-5-sulfonic acid, 3,4-dimethylaniline-6-sulfonic acid, 2,4-dimethylaniline-6-sulfonic acid, 2-naphthylamine-5- sulfonic acid, 5-nitro-o-cresoL(2-methyl-5-nitrophenol)and 4-aminoanisole-3- sulfonic acid. We also offer 4-Chlorobenzoic acid, N-methyl-4-nitro aniline, 3,4-xylenol and 2-methylindole.