Warranty

Warranty Overview

Our refund and returns policy lasts 30 days. If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

Our warranty coverage includes all manufacturing defects and component failures that occur during normal use. We stand behind the quality of our metal polishing machines and ensure that every product meets the highest standards of performance and reliability. If you experience any issues covered under this warranty, we will work with you to resolve them quickly and efficiently.
Our refund and returns policy lasts 30 days. Learn more about warranty policies and consumer protection rights.

Warranty Refunds

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Please note that refunds are processed within 5 to 10 business days after approval. The exact timing may vary depending on your bank or credit card provider. We recommend keeping a record of your refund request and tracking its status through your payment method. If you have any concerns about the refund timeline, feel free to contact our support team for assistance.

Warranty Late or missing refunds

If you haven’t received a refund yet, first check your bank account again.

Then contact your credit card company, it may take some time before your refund is officially posted.

Next contact your bank. There is often some processing time before a refund is posted.If you’ve done all of this and you still have not received your refund yet, please contact us at info@szguangu.com

Warranty Exchanges

To complete your return under our warranty policy, please mail your product to our return center at:
GuanGu Technology is located in Wuzhong District, Suzhou City, Jiangsu Province, China.

Before shipping, ensure the machine is unused, in original condition, and includes all original packaging. We recommend purchasing shipping insurance for high-value items. Please note that return shipping costs are the responsibility of the customer and are non-refundable unless the return is due to a manufacturing defect covered under warranty.

Before requesting an exchange, please ensure that the machine has been properly inspected and the defect or damage has been confirmed. Our customer service team can guide you through the troubleshooting process to determine whether an exchange is necessary. We are committed to minimizing downtime and ensuring that you receive a fully functional machine as quickly as possible.

Warranty Shipping Returns

To return your product, you should mail your product to: {physical address}.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you may vary.

If you are returning more expensive items, you may consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

We recommend using a reliable shipping method with tracking and insurance for all returns. This protects you in case the package is lost or damaged during transit. Please keep your shipping receipt and tracking number until your return has been confirmed by our team. International customers should also be aware that customs duties and taxes are non-refundable and may apply to returned items.

Need Help?
For questions about refunds, returns, or your warranty coverage, contact our support team at  info@szguangu.com . We’re always ready to help!