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Reliable, High-Quality Peptides for Research, Pharmaceuticals, and Biotech

Qingli Peptide: 7 years of trusted peptide manufacturing and fast global delivery.

Reliable, High-Quality Peptides for Research, Pharmaceuticals, and Biotech

Qingli Peptide: 7 years of trusted peptide manufacturing and fast global delivery.

Why Choose Us

Guaranteed Purity

Advanced production technology ensures consistent, high-purity peptides for demanding applications.

Trade Assurance

Purchase with confidence through our trade guarantee services.

Flexible Payment Options

Support Bitcoin, USDT, USDC, Wise, T/T, PayPal transaction security.

Expert Sales Team

Responsive, multilingual, and knowledgeable — we’re ready to assist 24/7.

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About Us

With over 7 years of excellence in peptide production, Qingli Peptide specializes in research peptides, beauty peptides, and fitness peptides. We pride ourselves on innovation, strict quality control, and unparalleled customer service. Our state-of-the-art GMP-compliant manufacturing facility enables us to produce custom and bulk peptides with full traceability, ensuring consistent quality and reliability for our global customers.

Certifications

After our company’s products are produced, they are randomly sampled and sent to Janoshik laboratory for testing.

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frequently asked questions

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.

Our peptides are typically ≥98% pure, and we provide detailed COA (Certificate of Analysis).

In the United States, only licensed pharmacies can compound peptides and resell them for human use.

Peptides in powder form can still be sold, however, they must be marked “Research Use Only,” for legal and liability reasons.

PLEASE be aware that self administering “research” peptides could be dangerous! There’s a reason certain compounds are available ONLY under the careful supervision of a doctor.  We do not want to see anyone harmed by misusing our products.

Furthermore, we cannot provide medical advice of any kind. Please be safe.

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.

Our lyophilized peptides require reconstitution before they’re viable for research use. This involves adding a liquid (Bac Water, Saline, Distilled Water…).

Any amount of liquid can be used. If you add 1ml (1ml equals 100 units) every 10 units will contain 1mg of peptide.

Once reconstituted peptides should be stored refrigerated.

Our peptides are lyophilized (freeze-dried) and sealed in sterile vials. Products are shipped with appropriate insulation and temperature control based on destination and climate.

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.

Our express parcels will be concentrated in Hong Kong and then sent to the world for delivery.

We support multiple secure payment methods, including:

  • Bitcoin
  • USDT
  • USDC
  • PayPal
  • Bank Transfer (T/T)
  • Alibaba
  • Wise

We provide a variety of payment methods to serve customers in a convenient way

  • Standard peptides: SWe will send out the goods within three days after receiving your payment, and the estimated delivery time is 7-25 days.
  • Custom peptides: Depending on complexity, lead time ranges from 2-4 weeks
    We ship worldwide using trusted carriers like DHL, FedEx, and EMS.
People also ask

frequently asked questions

What types of peptides do you manufacture?2025-04-14T22:10:24-08:00

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?2025-04-14T22:09:49-08:00

Our peptides are typically ≥98% pure, and we provide detailed COA (Certificate of Analysis).

Why do your products say: “Research Use Only”?2025-04-14T22:09:27-08:00

In the United States, only licensed pharmacies can compound peptides and resell them for human use.

Peptides in powder form can still be sold, however, they must be marked “Research Use Only,” for legal and liability reasons.

PLEASE be aware that self administering “research” peptides could be dangerous! There’s a reason certain compounds are available ONLY under the careful supervision of a doctor.  We do not want to see anyone harmed by misusing our products.

Furthermore, we cannot provide medical advice of any kind. Please be safe.

What if I need technical support after purchasing?2025-04-14T22:09:04-08:00

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.

How do you reconstitute powdered peptides?2025-04-14T22:08:19-08:00

Our lyophilized peptides require reconstitution before they’re viable for research use. This involves adding a liquid (Bac Water, Saline, Distilled Water…).

Any amount of liquid can be used. If you add 1ml (1ml equals 100 units) every 10 units will contain 1mg of peptide.

Once reconstituted peptides should be stored refrigerated.

How is the product packaged to ensure stability?2025-04-14T22:07:55-08:00

Our peptides are lyophilized (freeze-dried) and sealed in sterile vials. Products are shipped with appropriate insulation and temperature control based on destination and climate.

Do you ship internationally?2025-04-14T22:07:32-08:00

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.

Where are you shipping from?2025-04-14T22:03:27-08:00

Our express parcels will be concentrated in Hong Kong and then sent to the world for delivery.

What payment methods do you accept?2025-04-14T22:02:43-08:00

We support multiple secure payment methods, including:

  • Bitcoin
  • USDT
  • USDC
  • PayPal
  • Bank Transfer (T/T)
  • Alibaba
  • Wise

We provide a variety of payment methods to serve customers in a convenient way

How long does it take to process and ship my order?2025-04-14T22:01:44-08:00

  • Standard peptides: SWe will send out the goods within three days after receiving your payment, and the estimated delivery time is 7-25 days.
  • Custom peptides: Depending on complexity, lead time ranges from 2-4 weeks
    We ship worldwide using trusted carriers like DHL, FedEx, and EMS.

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