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About Sanyou Biopharmaceuticals

Sanyou Biopharmaceuticals is a global leader in high-tech biotechnology, specializing in innovative biologics R&D and services. Sanyou integrated 4C model – “differentiated CRO, integrated CDO, innovative CPO and characteristic CRS” bridges research and manufacturing, simplifying the discovery of groundbreaking biologics worldwide.

Sanyou has nearly 300 skilled professionals in drug development and industrialization. Our fully equipped 20,000 square meters integrated lab, and our three industry-leading innovative technology platforms – “super-trillion, integration, and intelligence”, can offer customizable service to support client needs.

Sanyou is committed to refining their proprietary platform and introducing upgraded services and technologies. With over 1000 global collaborations, Sanyou continues to actively collaborate with pharmaceutical companies, drug R&D institutions and diagnostics companies, cultivating a collaborative growth ecosystem and a thriving community with clients and partners.


Antibody Drug Conjugates



In vitro reagents

CRO Services


  • antibodies
  • proteins
  • cells tissues
  • custom services
  • in vitro reagents

Custom Services

Antibody drug discovery

Antibody Engineering

Antibody affinity maturation

Antibody expression

Protein expression

In vitro and in vivo screening