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chiral nematic liquid crystals CE9 94442-17-8,E7 liquid crystal QYPDLC-7, S-811 87321-20-8,LC with higher ordinary refractive index,china high birefringence liquid crystals, polymer dispersed liquid crystal,PDLC,nematic liquid crystal E7
00865328****
zhengyang road 196,qingdao,China
