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About Us

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XuYang Peptide is a high-tech biotechnology enterprise that integrates custom peptide research and development, process development, large-scale synthesis, GMP active pharmaceutical ingredient (API) production, and full-process technology outsourcing. It specializes in the entire peptide chemistry industry chain and provides one-stop peptide CRDMO comprehensive solutions for global biopharmaceutical companies, university research institutes, beauty and cosmetics ingredient manufacturers, and functional food enterprises.
The company has established a comprehensive gradient production capacity system, encompassing milligram-level laboratory samples, kilogram-level pilot scale-up, and ton-level commercial mass production. It provides a full-chain service for peptides, spanning from early sequence development, process optimization, purification and preparation to compliant mass production. The company's main products include solid-phase/liquid-phase peptides, cyclic peptides, long-chain peptides, various modified and labeled peptides, GLP-1 metabolic innovative peptides, pharmaceutical peptide APIs, medical aesthetic active peptides, and scientific research standard peptides.
Equipped with standardized GLP R&D laboratories and cGMP production workshops, equipped with a full set of precision analysis and testing equipment, and having established a closed-loop quality control system, our product quality meets global industry standards such as NMPA, FDA, EMA, and GLP. Our customer cooperation network covers more than 50 countries and regions worldwide.
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Custom Research Peptides (CRO Services)
We customize short peptides, long-chain peptides, cyclic peptides, fluorescent labeled peptides, phosphorylated/acetylated/biotin modified peptides for universities, labs and biotech startups. Available purity ranges from crude to 98%, with sequences up to 150 amino acids. We support high-throughput bulk orders and fast delivery of lab-grade samples, accompanied by complete COA test certificates.

Custom Research Peptides (CRO Services)
We customize short peptides, long-chain peptides, cyclic peptides, fluorescent labeled peptides, phosphorylated/acetylated/biotin modified peptides for universities, labs and biotech startups. Available purity ranges from crude to 98%, with sequences up to 150 amino acids. We support high-throughput bulk orders and fast delivery of lab-grade samples, accompanied by complete COA test certificates.

Pharmaceutical Peptide CDMO & API Manufacturing
We focus on anti-diabetic, weight-loss, anti-tumor, endocrine and anti-infection peptide intermediates and APIs, covering mainstream pipelines such as semaglutide, liraglutide, somatostatin and leuprorelin. We provide full CMC services including sequence design, process development, impurity profiling, analytical method validation, pilot scale-up and cGMP commercial production, and support clients with registration documents for domestic and overseas drug applications.

Pharmaceutical Peptide CDMO & API Manufacturing
We focus on anti-diabetic, weight-loss, anti-tumor, endocrine and anti-infection peptide intermediates and APIs, covering mainstream pipelines such as semaglutide, liraglutide, somatostatin and leuprorelin. We provide full CMC services including sequence design, process development, impurity profiling, analytical method validation, pilot scale-up and cGMP commercial production, and support clients with registration documents for domestic and overseas drug applications.

Cosmetic Functional Active Peptide Raw Materials
We mass-produce anti-aging, firming, wrinkle-repairing, brightening and soothing cosmetic peptides, including signal peptides, copper peptides, neurotransmitter inhibiting peptides and palmitoyl peptides. Our products feature excellent water solubility and stable batch purity, supplied in bulk to skincare and medical dressing manufacturers with professional formulation technical support.

Cosmetic Functional Active Peptide Raw Materials
We mass-produce anti-aging, firming, wrinkle-repairing, brightening and soothing cosmetic peptides, including signal peptides, copper peptides, neurotransmitter inhibiting peptides and palmitoyl peptides. Our products feature excellent water solubility and stable batch purity, supplied in bulk to skincare and medical dressing manufacturers with professional formulation technical support.

Supporting Peptide Reagents & Third-Party Technical Services
We supply upstream synthetic raw materials including Fmoc-protected amino acids, coupling reagents and synthesis resins; provide outsourcing services such as peptide purification, structural identification, stability testing, quality standard establishment, impurity tracing and registration document drafting.

Supporting Peptide Reagents & Third-Party Technical Services
We supply upstream synthetic raw materials including Fmoc-protected amino acids, coupling reagents and synthesis resins; provide outsourcing services such as peptide purification, structural identification, stability testing, quality standard establishment, impurity tracing and registration document drafting.

Expert R&D Technical Team

Our core R&D specialists possess over 10 years of experience in peptide synthesis and pharmaceutical CMC development. We excel in challenging processes including complex cyclization, fragment condensation, poorly soluble long peptides and special side-chain modification. We continuously optimize high-yield, low-cost and eco-friendly synthetic routes and hold multiple independent patents related to peptide synthesis.