Pharmaceutical, Pharmaceutical Raw Material, Pharmaceutical Chemicals manufacturer / supplier in China, offering Optical Brightening Agent Ern C. I. 135 Low Termpearture for Polyester, Zdhc Mrsl V3.1 Optical Brightener (Fluorescent Brightener) Ern Conc. Oba for Polyester, Zdhc Mrsl V3.1 Optical Brightener Emg/Fluorescent Brightener Sfg C. I. 199: 1 for Polyester CAS 13001-38-2 and so on.
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