×
Got Questions?

Frequently Asked Questions

Find answers to common questions about our products, ordering, shipping, and more. Can't find what you're looking for? Contact us directly.

What types of products do you offer?

We specialize in three main product categories:

  • Cosmetic Peptides: Signal peptides, carrier peptides, neurotransmitter peptides for skincare applications
  • Human Supplements: Health peptides, sports nutrition ingredients, and wellness compounds
  • Natural Extracts: Plant extracts, herbal extracts, and botanical ingredients

Browse our product catalog for the complete list.

Can you provide product samples?

Yes, we offer samples for most of our products. Sample availability and pricing vary depending on the product. Please contact our sales team with your specific requirements, and we'll provide sample options and pricing.

For regular customers, we may provide complimentary samples for evaluation purposes.

Do you offer custom synthesis services?

Absolutely! We have strong R&D capabilities and can provide custom synthesis services for peptides and other compounds. Our services include:

  • Custom peptide synthesis
  • Scale-up production
  • Formulation development
  • Private labeling

Contact us with your specifications, and our technical team will evaluate your requirements.

What is the minimum order quantity (MOQ)?

MOQ varies by product:

  • Peptides: Generally 10g-100g for most products
  • Natural Extracts: Usually 1kg-25kg depending on the product
  • Bulk Orders: Significant discounts available for larger quantities

We're flexible and can discuss smaller quantities for initial orders or testing purposes.

What payment methods do you accept?

We accept multiple payment methods for your convenience:

  • Bank Transfer (T/T) - Most common for B2B orders
  • Western Union
  • PayPal (for smaller orders)
  • Letter of Credit (L/C) for large orders

Payment terms can be discussed based on order size and customer relationship.

How do I place an order?

Placing an order is simple:

  1. Contact us via email, WhatsApp, or the contact form with your product requirements
  2. Receive a quotation from our sales team
  3. Confirm your order and make payment
  4. We'll process and ship your order with tracking information

For detailed pricing, please contact us directly.

Do you ship internationally?

Yes, we ship to over 50 countries worldwide! We have extensive experience with international shipping and customs procedures. Our logistics team will help ensure smooth delivery to your location.

We work with reliable shipping partners including DHL, FedEx, UPS, and sea freight for larger orders.

How long does shipping take?

Shipping times depend on the destination and shipping method:

  • Express (DHL/FedEx/UPS): 3-7 business days
  • Air Freight: 7-14 business days
  • Sea Freight: 25-45 days (for bulk orders)

Order processing typically takes 1-3 business days before shipping.

What about customs and import duties?

Import duties and customs fees are the responsibility of the buyer and vary by country. However, we provide:

  • All necessary export documentation
  • Certificate of Analysis (COA)
  • MSDS (Material Safety Data Sheets)
  • Guidance on customs clearance procedures

We have experience shipping to most countries and can advise on potential customs requirements.

What quality certifications do you have?

We maintain several quality certifications:

  • ISO 9001 Quality Management System
  • GMP (Good Manufacturing Practice)
  • HALAL Certification
  • KOSHER Certification
  • FDA Registered Facility

Copies of our certifications are available upon request.

Do you provide COA with each order?

Yes, every order comes with a Certificate of Analysis (COA) that includes:

  • Product identification and specifications
  • Purity analysis results
  • Batch number and manufacturing date
  • Test methods used
  • Storage recommendations

We can also provide additional documentation such as MSDS, stability data, and regulatory compliance certificates as needed.

How can I contact your support team?

We're available through multiple channels:

  • Email: info@jeniferbio.cn
  • WhatsApp: +86 15398038360
  • Phone: +86 15398038360
  • Contact Form: Available on our Contact page

Our team typically responds within 24 hours during business days.

Do you offer technical support?

Yes, we provide comprehensive technical support including:

  • Product selection guidance
  • Formulation recommendations
  • Application advice
  • Stability and compatibility information
  • Regulatory compliance assistance

Our technical team has extensive experience in cosmetic and supplement formulation.

Still Have Questions?

Can't find the answer you're looking for? Our team is here to help.