CRO Service

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CRO Service
Recombinant Protein Production Service
E.coli expression service
Mammalian Transient Protein Expression Service
Yeast expression service
Baculovirus-Insect Cell Protein Expression Service
HEK293/CHO Stable Cell Line Development Service
Antibody Development & Production Service
High-throughput Antibody Production Service+
Mini-scale Antibody Production Service(0.1mg-1mg)
Small-Mid scale Recombinant Antibody Production Service(1mg-100mg)
Large-scale Recombinant Antibody Production Service
Rabbit Monoclonal Antibody Development Service
Mouse Monoclonal Antibody Development Service
Rabbit Polyclonal Antibody Development Service
Hybridoma Cell Culture And Antibody Production Service
Hybridoma Antibody Gene Sequencing Service
Antigen Production Service
ELISA Kit Development Service
Biopharmaceutical Service
Therapeutic Antibody Development Service+
Protein antigen production
Peptide design & synthesis
Mouse monoclonal antibody development
Rabbit monoclonal antibody development
Hybridoma cell culture and antibody production
Monoclonal antibody sequencing
High-throughput antibody production
Antibody Engineering Service+
Chimeric antibody production service
Antibody fragment production service
Bispecific antibody production service
Anti-idiotype antibody development service
Biopharmaceutical Analysis Service
Bioprocess Engineering Service

CRO Service Features

Sino Biological Inc. has been offering high quality biological research reagents and comprehensive CRO services for over 10 years to accelerate life science research and biological product development worldwide. Possessing professional scientists and engineers, advanced instrument and equipment, and proprietary technology and optimized process, Sino Biological provides superior and integrated CRO services, including recombinant protein production service, antibody development service and biopharmaceutical service.

Most popular CRO service

Protein Production Service

  • • Over 10 years' experience for 6000+ recombinant proteins production.
  • • One-stop service from gene synthesis and vector construction to protein expression and purification.
  • • Multiple protein expression systems: bacterial, yeast, baculovirus-insect and mammalian expression system.
  • • Multiple purification systems (30+) to choose.
  • • High R & D ability with over 1000 new proteins per year and quick problem-solving ability.
  • • Close to 100 bioreactors with various volume between 2-1000 L to guarantee high-throughput and large-scale production.

High-throughput Antibody Production Service

  • • professional mammalian cell expression platform with more than 10 years of process optimization and production experience, providing one-stop services from gene synthesis to high-quality antibody production.
  • • provided thousands of antibodies production service to customers worldwide and has established good cooperation relationships with world's leading pharmaceutical companies
  • • >20 shakers, >800 bottles culture capacity weekly;>100 bioreactors(2L~1000L);Cell culture capacity: >50,000 L yearly
  • • provide rapid production of recombinant antibodies ranging from milligrams to kilograms, meeting the high throughput and large-scale production requirements of customers.
  • • High monomer purity: up to 99.9%;Low endotoxin level: as low as 0.01 EU/mg
  • • Comprehensive quality control analysis: UV, SDS-PAGE, ELISA, qPCR, SEC-HPLC, CEX-HPLC, LC-MS/MS, CE-SDS, ADCC,CDC, OCTET Affinity, Kinetics, off-rate, ranking

CRO service items

Protein Production


  • • High-efficiency expression vectors
  • • High cell density culturing
  • • Proprietary medium formulation
  • • >6000 proteins expression and purification experience
  • • Inclusion body refolding & soluble expression
  • • Protein biopharmaceutical technology

Service items

Antibody Production & development Servie


  • • Hybridoma & phage display library technology
  • • Multiple validation platforms: ELISA, IHC, IF, WB, FACS, IP, ICC and functional assays
  • • Varied antibody screening and purification technology
  • • The five protein expression platforms for antigen and recombinant antibody preparation

Service items



  • • Successfully screened dozens of candidate antibodies with high activity and druggability against several key targets
  • • Established cell activity evaluation models for many antibodies against key drug targets (PD-1, PD-L1, and EGFR, etc)
  • • A full set of preclinical research experience for multiple drug targets

Service items