About us
Who We Are
LN Peptide is a leading peptide manufacturer with over 15 years of experience in the production and supply of high-quality research peptides. Established in 2013, we specialize in the synthesis, processing, and global distribution of polypeptide raw materials and lyophilized (freeze-dried) peptide products.
As a dedicated factory supplier, we combine advanced manufacturing capabilities with a strong focus on quality, consistency, and innovation. Our mission is to empower researchers, laboratories, and scientific institutions worldwide with reliable tools for their peptide-based studies.
Our Story
Since our founding in 2013, LN Peptide has grown from a specialized peptide production facility into a trusted name in the research peptide industry. Over the past 15+ years, we have invested heavily in state-of-the-art synthesis equipment, stringent quality control systems, and efficient cross-border logistics to serve the evolving needs of the scientific community.


15+yeras Raw&Peptide factory supplier!
We focus exclusively on research-grade peptides and raw materials. Our expertise covers everything from standard catalog peptides to custom synthesis and OEM/ODM lyophilized powder formulations. Today, LN Peptide continues to uphold the core values that have defined us: integrity, punctuality, professionalism, efficiency, and uncompromising quality.
What We Do
At LN Peptide, we offer a comprehensive range of services and products designed for laboratory and research applications:
- Peptide Raw Materials — High-purity polypeptide APIs and intermediates
- Lyophilized Peptides — Ready-to-use freeze-dried powders with excellent stability
- Custom Peptide Synthesis — Tailored sequences, modifications, and scales to meet specific research requirements
- OEM & Bulk Customization — Private labeling and large-volume production for research partners
All our products are manufactured in controlled facilities and undergo rigorous testing to ensure high purity (typically ≥99% where applicable). We provide detailed documentation and support transparency for researchers who demand verifiable quality.
Our Commitment to Quality
Quality is the foundation of everything we do at LN Peptide. We maintain strict in-house quality management systems and work with independent testing partners to verify purity, identity, and consistency. Every batch is handled with precision to minimize impurities and ensure reproducibility — critical factors in scientific research.
We understand that researchers rely on consistent, high-purity materials to produce reliable results. That is why we prioritize:
- Advanced solid-phase and liquid-phase synthesis technologies
- Comprehensive analytical verification (including HPLC, MS, and other standard methods)
- Proper lyophilization processes for enhanced stability and shelf life
- Secure, compliant packaging and shipping practices
Why Choose LN Peptide?
- 15+ Years of Manufacturing Expertise — Proven track record as a direct factory supplier
- Research-Focused — All products are intended strictly for laboratory and scientific research use only
- Global Reach — Efficient cross-border e-commerce and worldwide shipping capabilities
- Customization Options — Flexible solutions for both small-scale studies and bulk requirements
- Transparency & Reliability — Dedicated to providing researchers with the materials and documentation they need
Our team of experienced professionals is committed to supporting the advancement of peptide research across various scientific disciplines, including biochemistry, pharmacology, molecular biology, and related fields.
For Research Use Only. LN Peptide products are not intended for human consumption, diagnostic, or therapeutic purposes. All sales and use must comply with applicable local, national, and international laws and regulations.