CRDMO Modalities

As a leading plasmid manufacturing company, Yaohai Bio-Pharma delivers end-to-end microbial CRDMO services for plasmid DNA (pDNA), supporting the robust clinical evaluation and commercialization of innovative therapies across critical fields:

• Viral Gene Therapy (AAV vectors)
• Cell Therapy Applications
• Plasmid DNA Vaccines & Therapeutics
• mRNA Production Support

Yaohai Bio-Pharma’s plasmid CRDMO platform combines mature process development with extensive GMP plasmid DNA manufacturing experience, having successfully supported multiple global clients in obtaining IND approvals for clinical evaluations and advancing their projects toward commercialization. 

Plasmid DNA CRDMO Project Experience

As a premier microbial CRDMO, Yaohai Bio-Pharma delivers end-to-end plasmid DNA CDMO services from vector design to Commercial manufacturing. We support the pipelines through early R&D and global commercialization. Our GMP-compliant platform ensures high-purity pDNA production of supercoiled and linearized plasmids, offering integrated solutions that cover strain construction, process development, quality testing, and regulatory filing support. 

Microbial Plasmid DNA CRDMO Service Platform

Comprehensive Plasmid DNA CDMO Services: 

As a trusted plasmid manufacturing company, Yaohai Bio-Pharma provides end-to-end pDNA manufacturing solutions. From initial strain design to commercial-scale GMP plasmid manufacturing, our flexible service platform is engineered to accelerate your gene therapy, cell therapy, and Plasmid DNA vaccine projects.

1. Cell Banking & Strain Development

Building a robust and compliant foundation for high-yield plasmid production.

• Plasmid Construction: Custom vector design and optimization tailored for your specific therapies and DNA plasmid vaccines.
• Microbial Cell Line Development: High-efficiency screening to establish high-yielding production strains.
• Three-Tier Microbial Cell Banking: Establishment of compliant Primary, Master, and Working Cell Banks (PCB/MCB/WCB).
• Cell Bank Characterization & Passage Stability: Rigorous testing to ensure genetic consistency and reliability.
• Strain Preservation & Stability Studies: Long-term preservation strategies to maintain high-quality biological assets.

2. Process Development & Validation

Optimizing parameters for scalable and cost-effective plasmid DNA production.

• Upstream Process Development: Scalable fermentation strategies optimized for microbial systems.
• Formulation Process Development: Custom formulations designed to enhance the stability and delivery efficiency of your product.
• Process Validation: Systematic validation to ensure reproducible, high-quality outputs that meet regulatory standards.
• Analytical Method Development & Validation: Comprehensive testing frameworks tailored specifically for plasmid DNA characteristics.

3. GMP Manufacturing & Regulatory Release

Delivering clinical and commercial-grade materials as your dedicated plasmid DNA CDMO partner.

• Gram-Scale Plasmid Production & Testing (GMP-like): Rapid production runs bridging the gap between preclinical research and clinical trials.
• GMP Plasmid Production & Release: High-quality, clinical-grade GMP plasmid DNA manufacturing executed in our state-of-the-art compliant facilities.
• Regulatory Filing Support: Expert CMC documentation and compliance guidance to accelerate your IND/BLA submissions globally.

High-Yield Strain Development for Plasmid Production

Ensuring clear strain traceability and regulatory compliance from day one. We engineer and select highly stable microbial strains with exceptional expression efficiency, laying a robust foundation for scalable plasmid DNA manufacturing. 

Scalable GMP Plasmid Manufacturing Platform

Offering a flexible 7L to 2000L fermentation capacity, our facilities are equipped to support diverse requirements, from early-stage research to commercial-scale plasmid DNA manufacturing. 

Proven Plasmid DNA CDMO Track Record

As a leading plasmid manufacturing company, we bring extensive CMC and clinical GMP experience across diverse applications, including gene therapies and DNA plasmid vaccines. We have a proven track record of accelerating IND and BLA submissions globally. 

Advanced pDNA Production Process Development

• QbD-driven process development using DoE to define CQAs and CPPs, ensuring consistent quality and robust processes
• Antibiotic-free, animal-origin-free fermentation process
• High-density fermentation and high expression up to 600 mg/L
• HCD residuals <2 µg/mg; Purity >98%

 

Plasmid DNA Manufacturing Case Studies & Performance Data

Review our consistent batch-to-batch performance, high-yield scalability, and robust DoE design for GMP plasmid manufacturing.Note: Our proven track record includes robust PCB stability, automated DoE medium screening, and consistent linear scalability from 7L to 30L fermentation for high-yield plasmid DNA production. 

Plasmid DNA FAQs