ADC manufacturing

The manufacturing of antibody–drug conjugates (ADCs) involves several critical steps, typically including cGMP production of the antibody, cGMP synthesis of the payload–linker complex, and the conjugation process that generates the final ADC. Following conjugation, the material undergoes rigorous purification, analytical characterization, and fill–finish operations to produce clinical and commercial drug products.

Because an ADC’s pharmaceutical properties and therapeutic performance are highly sensitive to the quality of each component—the antibody, linker, and payload—biopharmaceutical companies increasingly rely on CDMO partners for end-to-end development, manufacturing, and analytical testing to ensure product consistency, safety, and regulatory compliance.

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One-Stop ADC
CDMO Service

ChemExpress offers integrated services spanning from Payload-Linker to ADC DS&DP, enabling efficient scale-up and seamless technology transfer, effectively reducing management and transition costs.

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Extensive Project Experience
& Comprehensive Inventory

Over 80 CMC projects, 6 BLA projects, and 1 commercial project have been delivered. 16 ADC payloads and related intermediates are registered with the FDA as DMFs.

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Expert Scientific
Team

Our team of over 700 scientists provides comprehensive support from R&D to commercialization, ensuring high-quality, scalable solutions for your ADC pipeline.

Our Services

Our ADC manufacturing platform is designed to accommodate diverse production needs while consistently delivering high-quality, globally compliant ADC products.

Our Service Scope Includes

ADC DS GMP Manufacturing

  • OEB-5 isolator, adapted to a wide range of ADC conjugation processes
  • 5L, 20L, 50 L, 100 L, 200 L, 500 L disposable/glass/stainless-steel conjugation reactors, 1 conjugation line (Reserve space for 4 lines),0.5-5 kg/batch
  • Annual Design Capacity: 300 batches; Annual throughput: 1,500 kg

ADC DP GMP Manufacturing

  • 1 ADC filling line: 10 m2 and 25 m2 lyophilizers
  • 2 ml, 6 ml, 10 ml, 20 ml, 50 ml and full specification of aqueous injection and lyophilization isolators
  • Annual Production Capacity: 5 million bottles, Annual output: 50 batches

Why Partner with ChemExpress

Different Scales of Conjugation Reactors

Equipped with 5L, 20L, 50 L, 100 L, 200 L and 500 L process development conjugation reactors and 5 GMP production lines, enabling production from milligram to kilogram scale with an annual capacity of up to 1,500 kg Process robustness and scale-up consistency have been validated across different volumes

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Multi-Scale GMP Antibody Manufacturing Flexibility

Flexible and multi-functional antibody manufacturing lines with modular design allowing parallel operation at 200 L, 500 L, and 2,000 L scales within a unified GMP framework for efficient scale transition.

Customized Formulation Production

Equipped with 1 ADC filling line, including 10㎡ and 25㎡ freeze-dryers, with fully equipped lines for 2 ml, 6 ml, 10 ml, 20 ml and 50 ml aqueous injections and lyophilized, ensuring timely delivery.

Our Sites

R&D Site & Manufacturing Site

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Chongqing ADC CDMO
Manufacturing Site
XDC DS&DP Process Development and Manufacturing

FAQs

We can develop and manufacture CHO cell-expressed recombinant proteins under GMP conditions.

All ADC samples delivered by ChemExpress are processed through sterile filtration and endotoxin removal, ensuring that the final material meets sterility and low-endotoxin requirements.

Yes. ChemExpress provides end-to-end ADC services, covering non-GMP process development, GMP clinical manufacturing, and commercial supply readiness.
Our facilities are designed to support smooth transition from early development to GMP production, with dedicated ADC suites, single-use systems, and high-containment isolators up to OEB-5. This integrated approach minimizes technology transfer risks and accelerates program progression.

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