Our five main categories are Window Privacy, Light & Shade Control, Door Protection, Insect Protection, and Window & Door Hardware.

Measure your window, door, or mounting area and compare it with the product dimensions. Check the listed surface requirements and installation method before ordering. If you are unsure, contact us with the product name and your measurements.

Privacy performance varies by product, room lighting, outdoor lighting, and installation. Do not assume every film or screen provides privacy in all lighting conditions. Follow the specific description and instructions for the item you choose.

No. Adhesives, films, fittings, and screens can have different compatibility requirements. Follow the product instructions and any surface-testing guidance. Avoid installations that interfere with door operation, ventilation, or emergency exits.

The payment methods available for your location and order are displayed at checkout. Please see our Payment & Security page for more information.

Processing begins after payment confirmation and any necessary order checks. Delivery estimates and available shipping options depend on the item and destination. Refer to the product page, checkout, and our Shipping Policy. Contact us before ordering if timing is important.

Contact us as soon as possible. We will check whether the order can still be changed or cancelled. Changes may no longer be possible after fulfillment or dispatch has begun; applicable statutory rights remain unaffected.

When tracking is available, it is provided through your dispatch notification or order information. Carrier scans may take time to appear after dispatch. If an update seems overdue, contact us with your order number.

Check your tracking information, delivery address, and any carrier notices, then contact us. We will help review the delivery status and investigate with the relevant service provider.

Contact us promptly with your order number, a description of the issue, and relevant photos when available. We will assess the issue and explain the appropriate remedy. Your rights for faulty or misdescribed goods remain protected.

Email service@cortanew.com with your order number, the item, and your reason for returning it. Review our Return & Refund Policy. Contact us for the correct destination before sending a return.

Approved refunds are normally issued to the original payment method. Your bank or payment provider may require additional time to post the funds. Contact us if you need help checking an approved refund.

Contact service@cortanew.com or call +86 13452861358. Our customer service hours are 8:00 AM – 10:00 PM.

Cortanew™ is owned and operated by Beijing Fuheng Zhide Technology Co., Ltd. The company operates cortanew.com and provides customer support for purchases through our online store.