£Å£ø£ð£ï£ò£ô£é£î£ç£º 1.all dyes especially: acid dyes; direct dyes; basic dyes; ice dyes like:Naphthol series,red base 3GL,scarlet base G,red base KD, red base B and pigment dyes; 2.dyes intermediate, such as: sulphanilic acid; pentaerythritol; sodium formate;para chloroaniline; 2,5-Dichloro Nitrobenze; 2,5-Dichloro aniline; 3,4-Dichloro aniline; 1-(4'sulfophenyl)-3-methyl-5-pyrazolone; 1-(2',5'-Dichloro-4'-sulfophenyl)-3-methyl-5 pyrazolone,
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