Huangyan Yannian Pharmaceutical Chemical Co.,Ltd.

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  • Company Name: Huangyan Yannian Pharmaceutical Chemical Co.,Ltd.
  • Street: East of 2 Floor, Jinding Mansion,Huangyan, Zhejiang , P.R. China
  • Country/region: China
  • Fax: +86-576-84292560
  • Email:

Melatonin

  • Product NameMelatonin
    CAS No.73-31-4;8041-44-9
    Purity
    Min Quantity
    Price~
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