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Shandong Freda Biotechnology Co., Ltd.
CAS 28829-38-1 Poly Glutamic Acid Polyglutamic Acid Cosmetic Grade Poly-L-Glutamic Acid
CAS 28829-38-1 Poly Glutamic Acid Polyglutamic Acid Cosmetic Grade Poly-L-Glutamic Acid
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Sample Price US $ 1
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