¿Cómo podemos ayudarte?

Check the model printed on the product label, packaging or the manual supplied with your device. Match the full model, including any suffix, before choosing a download.

Contact our team with the exact model and the language you need. If you are unsure of the model, email us a clear photo of the product label.

Choose your exact model in the manual library. For cleaning, maintenance and troubleshooting, follow that device's instructions. Contact us if your model is not listed.

Send us the device model and the accessory you need. Cuffs, tubing, masks and other parts can differ between models, so please check compatibility before ordering.

Use the tracking number in your shipping confirmation on our order tracking page. If you cannot find it, contact us with your order number.

See our shipping policy for delivery information. The shipping options and charges available for your address are shown at checkout.

Contact us with your order number and the requested change as soon as possible. Our team will check whether it can still be made; an order already in transit may not be changeable.

Contact us with your order number, product model and a description of the issue. Keep the packaging, and email photos if they help explain what happened.

Read the return and refund policy for eligibility, time limits and the return process. Contact our team before sending an item back.

Send your model, order number or proof of purchase, and details of the issue. Our team can check the support available for your product and purchase.

Include your product model, order number if relevant, and a clear description of your question. Please do not include sensitive medical information in the contact form.

For wholesale, distribution or OEM / ODM questions, email angieyuan@sziqing.com with your product and customization requirements.