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Your Trusted CDMO Partner in Biologics & ADCs

MabPlex delivers comprehensive, high-quality biomanufacturing services from research to commercial GMP production. We empower biotech innovators to alter the course of human health.

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About MabPlex

MabPlex is a global leader in biopharmaceutical contract development and manufacturing (CDMO), offering end-to-end services from DNA to finished drug product. With facilities in Yantai, China and R&D operations in the U.S., we serve clients worldwide with cutting-edge capabilities in monoclonal antibodies, ADCs, bispecifics, and recombinant proteins.

Comprehensive biologics development and manufacturing solutions
Multiple single-use 2000L bioreactors for GMP manufacturing
One of the few providers of large-scale ADC production globally
Senior management team with 20+ years of industry experience
Explore Our Journey
MabPlex GMP Facility

Our Mission & Values

At MabPlex, we are driven by a commitment to excellence, integrity, and partnership.

Mission

To be the world leader in CRO/CDO services, enabling clients to deliver top-quality biopharmaceuticals to patients globally.

Customer Focused

We view our clients as partners. Quality by design, traceability, and long-term relationships are at the core of everything we do.

Professional Integrity

Confidentiality, honesty, and compliance guide our interactions with partners, employees, and the global community.

Our CDMO Services

From early research to commercial manufacturing, MabPlex offers a full suite of integrated services to accelerate your biologic to market.

Research

Cell line development, upstream process optimization, and analytical method development for robust, scalable processes.

  • Stable cell line generation
  • High-throughput screening
  • Clone selection & characterization

Development

Process development, formulation, and analytical testing to ensure product quality and regulatory compliance.

  • Upstream & downstream process development
  • ADC conjugation & payload handling
  • Stability & forced degradation studies

GMP Manufacturing

Scalable, compliant manufacturing from clinical to commercial scale with full regulatory support.

  • 2000L single-use bioreactors
  • Commercial ADC fill/finish line
  • PPQ and validation support

Our Solutions & Capabilities

MabPlex specializes in complex biologics with advanced infrastructure and deep technical expertise.

ADC Conjugation

ADC Conjugation

Precision conjugation with site-specific and stochastic methods. High DAR control, low aggregation, and robust scalability.

Scale: 50L to 2000L
Linkers: Cleavable & non-cleavable
QC: HIC, SEC, MS, ELISA
GMP Manufacturing Facility

GMP Manufacturing

Fully compliant 2000L single-use bioreactor suites with integrated purification and fill/finish capabilities.

Certifications: ISO, GMP
Scale: 50–2000L
Fill/Finish: Vials & syringes
Cell Line Development

Cell Line Development

High-producing, stable CHO cell lines with rapid timelines and superior productivity.

Platform: GS/CHO-K1
Titer: Up to 6 g/L
Timeline: 8–10 weeks
Analytical Development

Analytical Development

Comprehensive characterization, release, and stability testing using state-of-the-art platforms.

Methods: HPLC, CE, ELISA, MS
Testing: Identity, purity, potency
Regulatory: ICH compliant
Bispecific Antibodies

Bispecific Antibodies

Expertise in asymmetric formats, purification challenges, and functional assays for dual-targeting molecules.

Formats: IgG-scFv, DVD-Ig, etc.
Purification: Multi-step chromatography
Assays: Binding, cytotoxicity
M2 GMP Facility

M2 GMP Facility

State-of-the-art Phase II R&D and production center with full GMP operations since 2018.

Location: Yantai, China
Capacity: Multi-product suites
Launch: September 2018
Recombinant Proteins

Recombinant Proteins

High-yield expression and purification of complex proteins including enzymes, cytokines, and fusion proteins.

Host Systems: CHO, E. coli, yeast
Purification: Affinity, ion exchange
Yield: Up to 5 g/L
Process Characterization

Process Characterization

DOE studies, risk assessment, and control strategy development for regulatory filings.

Design: QbD approach
Output: PPQ-ready process
Support: IND, BLA, NDA
2000L
Bioreactor Scale
20+
Years Avg. Experience
1
Commercial ADC Line
6+
Global Partnerships

“The professional services offered by MabPlex, their technical ability and customer-oriented service makes me look forward to continuing our ongoing collaboration. As part of our collaboration we expect to obtain FDA IND approval for additional investigational agents in the near future.”

Dayao Zhao
Chief Executive Officer, Encure Biopharma

Get in Touch

Ready to accelerate your biologic development? Contact MabPlex today to discuss your project.

No. 60, Middle Beijing Road, Yantai, China (Shandong), Pilot Free Trade Zone
+1-800-925-3608 (Worldwide)
[email protected]
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