DSD acid|p-nitrotoluene-o-sulfonic acid|DNDS acid|ANSD acid-Luoyang Dongyuan Chemical Co.,Ltd.

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4,4’-Diaminostilbene-2,2’-disulf..

p-nitrotoluene-o-sulfonic acid ..

4,4-Dinitrostilbene-2,2-disulfon..

Aniline-2,5-disulfonic acid mono..

Para Amino Azo Benzene 4 Sulfoni..

4-aminobenzene-1,3-disulphonic a..

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Luoyang Dongyuan Chemical Co.,Ltd.
Address: DONGDAJIAO IND.ZONE DIANZHUANG TOWN YIBIN DISTRICT LUOYANG, HENAN
Tel: +86-379-67435819 64152217
Fax: +86-379-67436819 64152219
Postal code: 471942
Website: http://www.dylandlima.com
E-mail: dy@dongyuanchem.com;