Jinan yuxi chemical technology co., LTDFocusing on whitening agent and its intermediates production for ten years

Optical Brightener DT Optical brightener DT (OBA 135) C.I.: 135 Usage: Suitable for both exhaust and pa...
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Optical Brightener ER-2 liquid Optical brightener ER-II/ER-II L (OBA 199:1) C.I.: 199:1 CAS No.: 13001-38-2 Appe...
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Optical Brightener ER-1 liquid Optical brightener ER-I/ER-I L (OBA 199) C.I.: 199 CAS No.: 13001-40-6 Appearance...
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