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!

Yancheng Hongyan Chemical Co., Ltd.
Contact: Chenhua +86-13815504799 Tel: +86-515-86735968	Ding Kexiang +8613912597805 Fax: +86-515-86735928
Website: www.hongyanchem.com E-mail: hongyan@hongyanchem.com

	2,4-Diaminobenzenesulfonic Acid Sodium Salt
	4-Chlorothiophenol

	Phthalic anhydride
	4-Chlorophenol
	Orthoboric acid