Our factory only accepts bulk orders(B2B).
Please contact our international sales representative for inquiries.
Explore our products
Research-Grade Peptides
All peptide products are manufactured under stringent production conditions.
Recovery
BPC-157
Recovery
BPC-157
Recovery
BPC-157
Recovery
BPC-157
How it works
01
Fast Shipment
Orders will be shipped within 1-3 working days after payment is received.
02
Quality Guarantee
All products undergo rigorous third-party testing with ≥99% purity standards.
03
Customization Services
Provide long-term customized services according to your long-term demands.
What We Are
Shenzhen Yongli Biotechnology Co., Ltd is a professional peptide manufacturing supplier based in China.
All products are produced in sterile and dust-free production environments.
We provide complete COA, HPLC and MS test reports, strictly guarantee product quality and fully support third-party testing.
We maintain stable inventory supply and cooperate with mainstream large logistics companies to ensure safe, efficient and fast global shipment
Fast Shipment
Orders will be shipped within 1-3 working days after payment is received.
Quality Guarantee
All products undergo rigorous third-party testing with ≥99% purity standards.
Customization Services
Provide long-term customized services according to your long-term demands.
Product Categories
Yonglibiopeptide sells research peptides organized into these categories. All products are research chemicals.
Research Peptides
Synthetic peptides for in-vitro research and laboratory studies.
Includes: BPC-157, TB-500, GHK-Cu, PT-141, Melanotan II, Epithalon, MOTS-c, SS-31, Thymosin Alpha-1
Research Peptides
Synthetic peptides for in-vitro research and laboratory studies.
Includes: BPC-157, TB-500, GHK-Cu, PT-141, Melanotan II, Epithalon, MOTS-c, SS-31, Thymosin Alpha-1
Research Peptides
Synthetic peptides for in-vitro research and laboratory studies.
Includes: BPC-157, TB-500, GHK-Cu, PT-141, Melanotan II, Epithalon, MOTS-c, SS-31, Thymosin Alpha-1
Best Selling Products
Retatrutide, Tirzepatide, BPC-157, Thymosin Beta-4, GHK-Cu, Glutathione...
Quality & Verification
How Yonglibiopeptide Factory verifies product quality and purity.
≥99% Purity
All peptides meet or exceed 99% purity standards.
COA
Certificate of Analysis, full product specification report.
HPLC
Precisely tests peptide purity and removes all unwanted impurities.
MS
Confirm molecular structure and raw material authenticity.
Shipping & Operations
China-Based Factory
Offer factory prices with sufficient stock, stable delivery and support large orders.
Professional Shipment
Cooperate with professional lyophilized powder logistics company.
Order Arrangement
Orders will be arranged within 1-3 working days after payment is received.
Support
Frequently Asked Questions
We own a professional production factory and laboratory. Every batch undergoes strict quality inspection with COA, HPLC, MS reports provided. With years of experience in cross-border trade, we have a mature logistics and after-sales system, and always deliver reliable products and services to all clients.
We can arrange combined shipping or separate packages as per your request. Shipping in separate packages helps reduce customs risks. Please let me know your requirements, and our warehouse will make arrangements accordingly.
We declare the products as laboratory research samples and use professional packaging to minimize customs risk. If there is a customs issue, we will provide the commercial invoice and relevant documents to assist you.
Educational Resources
Peptide Research Library
Comprehensive research summaries, protocols, and educational guides for laboratory
researchers.
BPC-157 Research
Tissue repair & GI protection mechanisms
BPC-157 Research
Tissue repair & GI protection mechanisms
BPC-157 Research
Tissue repair & GI protection mechanisms
BPC-157 Research
Tissue repair & GI protection mechanisms
BPC-157 Research
Tissue repair & GI protection mechanisms
BPC-157 Research
Tissue repair & GI protection mechanisms
BPC-157 Research
Tissue repair & GI protection mechanisms
Take Your Research Further
Yonglibiopeptide provides verified purity research peptides with COAs and easy ordering.
Trusted by researchers who value transparency and quality.