1,4-Dihydroxyanthraquinone|1,4-Diamino-2,3-dihydroanthraquinone | 4,4'-Thiodiphenol| 4-Isopropylthiophenol |2,4-Diaminobenzenesulfonic Acid ----Yancheng Hongyan Chemical Co., Ltd.

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Yancheng Hongyan Chemical Co., Ltd., established in 1998, mainly manufactures dyestuff intermediates, fine chemicals, hexafluoro phosphoric acid and photo initiators, among which, 1,4-Dihydroxyanthraquinone and 1,4-Diamino-2,3-dihydroanthraquinone are enjoying a very high reputation in both the domestic and overseas markets. Upholding the tenet of "Quality First, Honesty Foremost, Mutual Benefit", we sincerely hope to cooperate with friends from around the world for a better tomorrow!

General Manager: Zhao Honglin Tel: +86-515-86735918 Fax: +86-515-86735958 Cell phone:+86- 13851194660	Marketing company: Chen Hua Tel: +86-515-86735968 Fax: +86-515-86735928 Cell phone: +86-13815504799
Website: www.hongyanchem.com E-mail: hongyan@hongyanchem.com

	2,4-Diaminobenzenesulfonic Acid Sodium Salt
	4-Chlorothiophenol

	Phthalic anhydride
	4-Chlorophenol
	Orthoboric acid