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Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.

Quantai Co., Ltd. is a Guangzhou-based peptide manufacturer founded in 2003, serving global B2B partners with custom peptides, research peptides, cosmetic peptides, and pharma/API-grade peptide solutions.

With a team of more than 350 professionals and over 70% R&D and scientific staff, Quantai supports distributors, research institutions and professional buyers across 32 countries and regions.

Our Featured Products

Featured peptide products

  • API Peptides
  • Cosmetic Peptides
  • Catalog Peptides
  • Functional Peptides
  • Cell Penetrating Peptides
  • Cyclic Peptides

Our Featured Services

Featured peptide services

  • Peptide Synthesis Services
  • Peptide Conjugation
  • Peptide Modification
  • Peptide Analysis
  • GMP Manufacturing
  • Peptide CDMO

Advantages of Choosing Quantai

Expertise and experience

Built for practical peptide research, development and manufacturing support with responsive technical communication.

Cutting-edge technology

Built for practical peptide research, development and manufacturing support with responsive technical communication.

Integrated services

Built for practical peptide research, development and manufacturing support with responsive technical communication.

Customized and flexible

Built for practical peptide research, development and manufacturing support with responsive technical communication.

Compliance

Built for practical peptide research, development and manufacturing support with responsive technical communication.

Customer support

Built for practical peptide research, development and manufacturing support with responsive technical communication.