WELCOME TO PEPTNEX BIOTECH
Premium Peptide Manufacturing for Global Partners
Specialized in custom peptide synthesis. Reliable high‑purity peptides for research and biopharma applications.
Who we are
Building Trust Through Peptide Manufacturing Expertise
As a professional peptide manufacturer, we deliver high‑purity peptide products, custom synthesis and comprehensive analytical services for global research institutions and biotech partners.
Custom Peptide Synthesis
Tailored peptide production covering diverse sequences and modifications for your research projects.
Strict Quality Control
Every batch undergoes full lab testing to guarantee purity, identity and consistent quality.
Global Technical Support
Professional technical team provides one‑to‑one support for your peptide‑related inquiries.
Popular Products
Contact customer service to get the latest quotes and promotional offers.
Trusted by global research institutes & biotech partners
Our Vision
To become a globally trusted supplier, delivering reliable peptide products to advance life‑science research worldwide.
Our Mission
Provide high‑purity peptides, custom synthesis and strict quality control, helping clients accelerate their research and project progress.
Our Motto
Quality‑driven manufacturing, customer‑oriented service, consistent reliability for every peptide batch.
Expert Peptide R&D & Manufacturing Team
97%
Customer Satisfaction Rate
High‑recognition service for global biotech and research clients.
Our experienced R&D team focuses on peptide synthesis, quality testing and technical support. We deliver stable, high‑purity peptide products and custom solutions for worldwide partners.
12+
Years Of Industry Experience
ADVANCED PEPTIDE MANUFACTURING
Fueling Global Peptide Research
High‑quality peptides and custom synthesis to support your research projects.
Custom Peptide Synthesis
Custom‑made peptides with diverse sequences and multiple modification options for your research needs.
Standard Peptide Products
Wide catalog of ready‑to‑use lyophilized peptides with full batch test reports.
Peptide Purification
Advanced HPLC purification to achieve high‑purity target peptides for laboratory use.
Batch Quality Testing
HPLC & MS testing for every batch to verify peptide identity and purity level.
Global Logistics Support
Professional cold‑chain packaging for safe worldwide delivery of peptide products.
Technical Consulting
Professional technical team offers guidance on peptide selection, storage and usage.
Why Choose Us
Trusted Peptide Manufacturer For Global Partners
We deliver high‑quality peptide products, strict quality control and reliable one‑stop service for laboratories and biotech enterprises worldwide.
Strict Quality Control
Full‑batch HPLC‑MS testing ensures consistent peptide purity.
Accurate Results
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International Standards
Manufactured following global pharmaceutical‑grade production norms.
Global Standards
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Advanced Synthesis Tech
Mature synthesis technology for standard & custom peptide orders.
Advanced Technology
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Experienced R&D Team
12‑year‑experienced team for peptide‑related technical solutions.
Dedicated Team
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Complete Product Catalog
Rich inventory of lyophilized peptides for fast‑track delivery.
Scientific Integrity
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Secure Cold‑chain Logistics
Professional cold‑packaging for stable global transportation.
Ethical Research
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Responsive Technical Support
Timely guidance on peptide usage, storage and order consultation.
Reliable Support
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Years of Experience
Our Service
Building Reliable Peptide Supply For Global Life‑Science Research
We deliver high‑purity research‑grade peptides, from standard catalog items to custom peptide synthesis. Every batch undergoes strict HPLC & MS quality testing with complete COA documentation, supporting laboratories and biotech partners worldwide.
Laboratory Testing
Full HPLC, Mass‑Spectrometry and endotoxin testing for every peptide batch. Complete COA documents provided for all orders.
Research Collaboration
Custom peptide synthesis, bulk production and technical consultation to support your pre‑clinical lab projects.
Data Analysis
Cold‑chain shipping and professional technical support
common Questions
Frequently Asked Questions
Minimum Order Quantity
We have no minimum order quantity; we can customize entirely to your needs.
How to send an order?
Contact us, we will quote you the best price, then ship the goods and provide you with a tracking number after payment.
Do You Ship Internationally?
Yes, we ship to over 35+ countries and regions worldwide and provide full order tracking. If you have special shipping requirements, please let us know in advance.
Is there any discount
Is there any discount
How Long Does It Take To Process And Ship My Order?
Standard peptides: We will ship within 3 days of receiving payment; estimated delivery time is 5–12 days.
What If I Need Technical Support After Purchasing?
Our technical and sales support team are always here to answer any questions you may have before or after your purchase. Please contact us via WhatsApp or email or form, we will usually respond within 12 hours.
When can I receive the goods after payment?
Depending on your location
For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS.
or mass order, please allow 5-15 days by Air.
What Types Of Peptides Do You Manufacture?
We specialize in a variety of high-purity peptides, including custom peptides, research-grade peptides, cosmetic peptides, and peptide lyophilized powders and raw materials for pharmaceutical applications.
What Is The Typical Purity Of Your Peptides?
Our peptides are typically ≥98% pure, and we provide detailed COA (Certificate of Analysis).
Where Are You Shipping From?
Our express parcels will be concentrated in Hong Kong and then sent to the world for delivery.
What is your re-shipping policy if there are customs or other shipping issues?
If the package has been dispatched and is not detained by customs, but shipping is delayed significantly due to customs issues, refunds will not be supported.
If the package is confirmed to be detained by customs, we will re-send it free of charge.
Why should you buy from us instead of other suppliers?
Because we are a factory, we can provide lower prices and guaranteed quality. We have extensive experience in domestic and foreign trade and provide services in an honest, timely and efficient manner.