Refund & Return Policy

Last updated: January 1, 2026

At SUNZEN Technology Co., Limited, we stand behind the quality of our products. If you are not completely satisfied with your purchase, we offer a 30-day return policy and a 12-month warranty on all products.

1. Return Eligibility

To be eligible for a return, your item must meet the following conditions:

• Within 30 days of the delivery date
• In original, unused condition with all packaging and accessories
• Accompanied by the original receipt or proof of purchase
• Not damaged due to misuse, abuse, or unauthorized modification

Non-Returnable Items

• Products damaged due to user misuse or abuse
• Products modified or repaired by unauthorized parties
• Items returned more than 30 days after delivery

2. How to Initiate a Return

To start a return, please follow these steps:

• Email us at contact@sunzentech.com with your order number and reason for return
• Include photos of the product and packaging if damaged or defective
• Wait for our return authorization (usually within 1-2 business days)
• Ship the item to the address provided in the authorization email
• Use a trackable shipping method and retain your tracking number

3. Refund Process

Once we receive and inspect your returned item:

• We will notify you of the approval or rejection of your refund
• If approved, the refund will be processed within 5-7 business days
• Refunds are issued to the original payment method
• Shipping costs (original and return) are non-refundable unless the item was defective or we sent the wrong product

4. Exchanges

We offer exchanges for defective or damaged items. To request an exchange:

• Contact us within 7 days of receiving the defective item
• Provide photos and a description of the defect
• We will send a replacement once the original item is received and inspected
• We cover shipping costs for defective item exchanges

5. Warranty Information

All SUNZEN Technology products come with a 12-month manufacturer's warranty covering:

• Manufacturing defects in materials and workmanship
• Malfunctions under normal use conditions
• Charging performance below rated specifications

Warranty Does Not Cover

• Damage caused by misuse, abuse, or negligence
• Normal wear and tear
• Unauthorized modifications or repairs
• Damage from natural disasters (fire, flood, lightning, etc.)
• Products purchased from unauthorized sellers

6. Damaged or Defective on Arrival (DOA)

If your product arrives damaged or defective (DOA):

• Contact us within 48 hours of receipt
• Provide photos of the damaged product and packaging
• We will arrange a free replacement or full refund
• We cover all return shipping costs for DOA items

7. Return Shipping Costs

• Defective/wrong item (our fault): We cover all return shipping costs
• Change of mind: Customer covers return shipping costs
• Warranty claims: We cover return shipping for confirmed warranty defects

8. Order Cancellation

You may cancel your order before it has shipped. To cancel:

• Contact us immediately at contact@sunzentech.com
• Include your order number and cancellation request
• If the order has already shipped, it cannot be cancelled but can be returned upon receipt

9. Restocking Fee

We do not charge restocking fees for returns within the 30-day window. A 15% restocking fee may apply to returns of bulk/wholesale orders.

10. Refund Timeline

• PayPal: 1-3 business days after approval
• Credit Card: 5-7 business days after approval
• Bank Transfer: 7-10 business days after approval

11. Contact Us

For any return, refund, or warranty questions: