Yancheng Hongyan Chemical Co., Ltd. is a comprehensive modernized high-tech enterprise engages in the production, development and trading. The company specializes in the production of dyes intermediate, fine chemicals and photoinitiator series products. The '1,4-Dihydroxyanthraquinone, 1,4-Diaminoanthraquinone' produced by our company enjoy high reputation at home and abroad, most of the products are exported to Europe, America, Southeast Asia and other international market. Our new product dev...
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