Haidi Chemical was founded in 1985 and was formerly known as Haimen Chemical Raw Material Factory, primarily producing dye products. In 1995, we began manufacturing high-performance pigment Violet 23, the first of its kind in China. In 2000, Nantong Haidi Chemical Co., Ltd. was established as a joint venture with DIC, focusing on the production of DIC FAST0GEN Violet 23 series products. In 2015, Lianyungang Haidi Chemical Technology Co., Ltd. invested approximately 200 million yuan to establish a fully automated production base in Lianyungang Chemical Industry Park.


Our products include: Pigments Violet 23, Solvent Red 207, Solvent Yellow 163, Solvent Red 2R; Intermediates: 1,8-Diaminonaphthalene, 1,5-Diaminonaphthalene, NDI, 1,8-Dichloroanthraquinone, 1,5-Dichloroanthraquinone, 1,4,5,8-Tetrachloroanthraquinone.