WHAT WE DO

Protein Technologies and Drug Development

We have directional protein refolding technology (LetoFOLD®) and self-developed technology platforms for proteins covering screening and purification, engineering design, fixed-point coupling design, and dosage form development.

Go Into the Science

Pipeline

Oncology, peptide and cytokine drugs

Leto Laboratories Pipeline

Committed to Innovation

Think different! We’ll change the world!

Corporate Culture

Join Us

Bring more possibilities to patients and provide new solutions for physicians

We welcome you to join us