Hebei Jianxin Chemical Co., Ltd. researches, develops, manufactures, and sells dye intermediates in China and internationally, along with its subsidiaries. Its products include metanilic acid, aniline-2,5-disulfonic acid monosodium salt, 3-diethylaminophenol, m-aminophenol, sulfanilic acid, ODB-1, ODB-2, R-04, EBA, BBA, MMD, DPA, DBSP, BON, n-butyl bromide, several diphenyl sulfone derivatives, and m-trihydroxybenzene. These are used as intermediates for dyes, pharmaceuticals, fibers, pesticides, dyestuffs, thermal and pressure-sensitive dyes, and health care product synthesis, as well as in optical brightening agents for paper, color formers, developers and sensitizers for thermal paper, alkylating agents, solvents, and extracting agents. The company exports to Europe, the United States, Japan, Korea, Taiwan, and Hong Kong, and was founded in 1988 with headquarters in Cangzhou, China.