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Contact UsIf you have any questions or inquiries for IWAKI SEIYAKU CO., LTD., please contact us at the following address:

Inquiries Related to R&D Outsourcing/
Custum Manufacturing Service for Pharmaceuticals

Pharmaceuticals Development Department

  • Phone: +81-3-3668-1572
  • Facsimile: +81-3-3668-5282

Inquiries Related to APIs,
Fine Chemical Products, and Custom Manufacturing service

Fine Chemicals Sales Department

  • Phone: +81-3-3668-1571
  • Facsimile: +81-3-3668-5283