🔬 1. Premium Quality Guarantee

Every peptide we manufacture meets the highest standards of quality and purity.

What This Means For You:

• ✅ GMP-Certified Production – All peptides manufactured under strict Good Manufacturing Practice standards

• ✅ ≥98% Purity Guaranteed – Verified through rigorous HPLC and mass spectrometry testing

• ✅ Finnrick Verified – Independent third-party verification for complete transparency

• ✅ Certificate of Analysis (COA) – Comprehensive documentation with every shipment

• ✅ Strict Quality Control – Multi-level inspection from raw material to finished product

• ✅ Pharmaceutical-Grade Standards – Meeting USP, EP, or CP requirements

Our Commitment: If a product fails to meet our stated purity specifications, we will replace it immediately or issue a full refund.

📦 2. Maximum Safety Guarantee

Your safety and the integrity of your research materials are our top priorities.

What This Means For You:

• ✅ Sterile Manufacturing – Products produced in controlled, sterile environments

• ✅ Aseptic Processing – Minimizing contamination risks at every stage

• ✅ Professional Packaging – Sealed vials, desiccants, and protective materials

• ✅ Secure Handling – Every package handled with care and professionalism

• ✅ Discreet Shipping – Professional packaging with no external product labels

• ✅ Clear Labeling – Accurate product identification and handling instructions

Our Commitment: Every peptide you receive has been handled with the utmost care and professionalism from our facility to your laboratory.

🚚 3. Fast & Secure Shipping Guarantee

We deliver your peptides quickly and securely, anywhere in the world.

What This Means For You:

• ✅ Global Reach – Shipping to 69 countries worldwide

• ✅ Trusted Carriers – DHL, FedEx, UPS, and EMS partnerships

• ✅ Real-Time Tracking – Monitor your shipment every step of the way

• ✅ Temperature-Controlled Packaging – Ice packs and thermal insulation

• ✅ Expedited Processing – Orders shipped within 1-2 business days

• ✅ Customs Support – Complete documentation for smooth clearance

Our Commitment: Your order will be professionally packaged, shipped via a trusted carrier, and tracked until it arrives safely at your laboratory.

🔄 4. 100% Reship Guarantee – Damage or Loss

If your peptide order is damaged during transit or lost in shipping, we’ve got you covered.

What This Means For You:

• ✅ 100% Free Reshipment – We replace damaged or lost orders at no cost to you

• ✅ No Questions Asked – Simple, hassle-free process

• ✅ Fast Replacement – We expedite reshipment to minimize research delays

• ✅ Original Packaging – New order shipped with the same care as the first

• ✅ Priority Handling – Reship orders receive priority processing

Our Commitment: If your package arrives damaged or doesn’t arrive at all, we will reship your entire order – 100% free of charge. No hidden fees, no complicated claims, no runaround.

💰 5. 90% Refund Guarantee – Returns

If you’re not completely satisfied with your peptide purchase, we offer a generous 90% refund on eligible returns.

What This Means For You:

• ✅ 90% Refund – We refund 90% of your product purchase price (restocking fee applies)

• ✅ 14-Day Window – Contact us within 14 days of receiving your order

• ✅ Simple Process – Easy returns with our RMA system

• ✅ Fast Processing – Refunds issued within 5-10 business days of return receipt

Eligibility Requirements:

Important Notes:

• Return shipping costs are the customer’s responsibility unless the error was ours

• Products must be returned in their original packaging

• Custom synthesis orders are non-refundable once production begins

• The 10% restocking fee covers handling, testing, and administrative costs

🛡️ 6. Company Guarantee

As a company, we guarantee our commitment to excellence in every aspect of our business.

What This Means For You:

• ✅ 20+ Years of Experience – Founded in 2003 by veteran peptide chemists

• ✅ Financial Stability – Established, reliable company with global reach

• ✅ Regulatory Compliance – GMP-certified, US FDA preparatory work underway

• ✅ Continuous Improvement – Ongoing investment in facilities and technology

• ✅ Ethical Business Practices – Transparency, honesty, and integrity

• ✅ Customer-Centric Approach – Your satisfaction is our priority

Our Commitment: We are a legitimate, licensed peptide manufacturer with a proven track record. We’re here for the long term, and we’ll continue to serve the peptide research community with excellence for years to come.

How to File a Claim

For Damaged or Lost Orders (100% Reship)

Step 1: Contact us within 7 days of the expected delivery date

• Provide your order number

• For damaged orders: include clear photos of the damaged packaging and product

Step 2: Our team will review your claim and verify the issue

Step 3: We’ll arrange a free reshipment of your order

Step 4: Your replacement order is processed and shipped with priority handling

For Returns (90% Refund)

Step 1: Contact us within 14 days of receiving your order

• Provide your order number and reason for return

Step 2: Receive your Return Merchandise Authorization (RMA) number

Step 3: Ship the product back in its original packaging

Step 4: Upon receipt and inspection, we process your 90% refund

Why Choose Chengdu Kaijie

When you choose Chengdu Kaijie, you’re choosing:

• 20+ Years of Peptide Expertise – Founded by veteran peptide chemists

• GMP-Certified Manufacturing – Pharmaceutical-grade quality standards

• Finnrick Verified Purity – Independent third-party verification

• Global Reach – Serving 1,300+ partners in 69 countries

• Comprehensive Quality Control – Multi-level testing and documentation

• Customer-Centric Guarantees – 100% reship & 90% refund

Frequently Asked Questions

1. What if my peptide arrives damaged?
Contact us immediately with photos of the damage. We’ll arrange a 100% free reshipment.

2. What if my order is lost in shipping?
Contact us with your tracking number. We’ll verify the loss and reship your order at no cost.

3. Can I return a peptide I’ve already opened?
No. For sterility and safety reasons, we cannot accept returns on opened or reconstituted products.

4. How long does the refund process take?
Refunds are processed within 5-10 business days of receiving and inspecting your return.

5. Who pays for return shipping?
You cover return shipping unless we made the error (wrong product, quality issue, damage).

6. Are custom synthesis orders covered by your guarantee?
Custom orders are non-refundable once production begins, but we guarantee quality and purity standards.

7. Do you guarantee shipping times?
While we use trusted carriers and provide tracking, shipping times are estimates. We cannot guarantee exact delivery dates due to factors beyond our control.

8. Is the 90% refund available for international orders?
Yes, the 90% refund guarantee applies to all eligible returns, regardless of location.

Our Philosophy

At Chengdu Kaijie, we believe that quality is not just a promise – it’s a responsibility. Every peptide we manufacture represents hours of scientific expertise, rigorous testing, and unwavering commitment to excellence. We don’t cut corners. We don’t compromise. We deliver the best, because your research deserves the best.

When you order from Chengdu Kaijie, you’re not just buying a peptide – you’re partnering with a company that genuinely cares about your success.