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Shanghai Chengyu biotechnology Co., Ltd.
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Pharmaceutical Chemicals
Pharmaceutical Chemicals(4)
Other Chemicals(1)
Skin Care Chemicals(1)
Chemicals Stocks(1)
Chemical Reagent(1)
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PVP VA64 Copovidone
Povidone/PVP K15/K17/K25/K30/K90
PVPP Crospovidone
Povidone-Iodine PVP-I Povidone-I