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melatonin

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Description

white powder ,packing:25kg/drum.
comply with USP26/BP2000.

melatonin ,

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cinnamonitrile ...

wuhan hezhong chemical manufacture co.,ltd

wuhan hezhong

Address: 496.zhongshan road ,wuhan ,china,
wuhan , Hubei
China,

Tel: 0086-27-68886667
Fax: 0086-27-88064757

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