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[ Trader ]Main business are Washed duck down, Washed white geese down, D-glucosamine hydrochloride, D-glucosamine sulphate, Chitosan, Chitin, Eiderdown raw material .
[ Manufacturer ]Main business are Chitin, Chitosan and their derivants
[ Trader ]Main business are Chemical product, Laboratory paraphernalia.
[ Trader ]Main business are Caprolactam, Sulphur, Amine sulphate