LongJi Peptide is a high-tech enterprise integrating R&D, production, and global trade, specializing in high-performance peptides and advanced biochemical ingredients. We are committed to empowering the global pharmaceutical, anti-aging research, and premium cosmetic industries with core raw material solutions.
Our product portfolio is centered on metabolic peptides, including Semaglutide, Tirzepatide, and the next-generation Retatrutide (RT Peptide). Concurrently, we possess mature mass-production technologies in the cosmetic peptide sector, such as Copper Peptide (CU Peptide), ensuring that our products reach industry-leading levels in terms of biological activity, stability, and purity.
Workshop
10,000-class clean workshop equipped with automatic synthesis, purification and freeze-drying equipment. Standard closed production supports mass & custom peptide orders.
WHY CHOOSE US ?
Professional Peptide Manufacturer & Supplier
Global Service
Fast response and worldwide supply capability. We export to dozens of countries, offering quick quotation and flexible international logistics solutions.
High Purit
Produced with advanced purification technologies to remove impurities efficiently. Our peptides reach 98%-99.5% purity, with HPLC test reports supplied for each batch.
Professional Manufacturing
Modern production facilities and experienced technical teams. We support mass production and custom peptide synthesis with standard clean workshops.
Stable Quality
Strict testing procedures ensure batch-to-batch consistency. Full-process QA&QC inspection is carried out to avoid product fluctuations for long-term bulk orders.
Online Message
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