Funan chemical industrial co. ltd is a professional factory, which series dyeintermediates. The products have been sent to many users in Shandong, Jiangsu, Zhejiang, Shanghai, and enjoy high reputation.The 1,4,5,8-naphthalenetetracarboxylic acid which are acylized have high content of second anhydride, it could make the dye firmer, better the color and light.
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