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we manufacture dye intermediates and the heat sensitive pigments applied to carbonless color former?
4-di sodium sulphonate hydrate  benzaldehyde-2  N-diethyl-4-amino benzaldehyde 
www.longshengdyes.com - 2009-02-12
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Intermediates, dye intermediates, chemical intermediates, pharmaceutical intermediates, drug intermediate, disperse dye intermediates base on benzene ring for ...
intersperse.in - 2009-02-07
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