Frequently Asked Questions

China Peptides is a global supplier of high-quality research peptides serving laboratories, universities, biotechnology companies, distributors, and research institutions worldwide.

China Peptides operates from China and ships products internationally to qualified customers worldwide.

Yes. We provide worldwide shipping to most countries and regions through trusted international logistics partners.

Yes. Certificates of Analysis, also known as COAs, are available for products and batches upon request.

Products undergo quality control procedures including analytical testing and batch verification to help ensure consistency and purity.

Yes. Our team can provide available product information and quality documentation before purchase.

You can place an order through our website or contact our sales team for wholesale inquiries and custom quotations.

Yes. We offer competitive wholesale pricing and volume discounts for qualified customers and distributors.

Yes. Contact our sales department with your product requirements and desired quantities for a personalized quotation.

All orders are shipped from our fulfillment facilities in China.

Estimated delivery times vary by destination. United States, Canada, Europe, Australia, and New Zealand usually take 7–15 business days. Asia may take 3–10 business days. Africa and South America may take 10–25 business days.

Yes. Tracking information is provided once your order has been dispatched.

Import duties, taxes, VAT, and customs fees are determined by local authorities and are generally the responsibility of the customer.

Customs clearance procedures vary by country. While we assist where possible, customs processing times are beyond our control.

Yes. Customers are responsible for ensuring compliance with all local laws, regulations, and import requirements in their jurisdiction.

We may accept credit cards, debit cards, bank transfers, cryptocurrency payments, and other approved payment methods. Available options may vary by location and order type.

Yes. Payments are processed through secure payment providers using industry-standard security measures.

Please contact our support team within 7 days of delivery and provide photographs of the package and products.

Contact us immediately with your order number and photographs. We will investigate and resolve the issue promptly.

Approved refunds are generally processed within 5–10 business days, depending on the payment method and financial institution.

Yes. We welcome inquiries from distributors, wholesalers, and business partners worldwide.

Yes. OEM and private-label opportunities may be available for qualified partners.

Custom manufacturing and synthesis services may be available depending on project requirements.

No. All products sold by China Peptides are intended strictly for laboratory research and scientific purposes only.

No. China Peptides does not provide medical, healthcare, therapeutic, or diagnostic advice.