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Frequently Asked Questions

1.How do I contact Casainc. regarding my order?

Whatever happens to your order, you can contact us via It is important to provide us with your email and telephone number, order number or tracking number so we can check the status of your order.


2.When will my order be shipped out?

Once we receive your order, we will process it in the same day and send out on the second day from Monday to Friday. Any orders placed on Saturday's will be sent out together with Sunday’s orders.


3.What shipping methods do you offer?

We use UPS ground, UPS surepost, USPS and freight transportation by truck to ship your orders. Each shipping method will be based according to the size and quantity of the items ordered.


4.What is the estimated delivery time?

We aim to ensure that you receive your order as quickly as possible. Once your order is successfully submitted, our warehouse processes your order the same business day. It is then picked, packed, and dispatched. Please note delivery times vary depending on your location and the possible courier screening that the package goes through. Our standard delivery times (7-14 business days) are estimates and may vary due to external factors outside of Casainc, and our courier’s, control. These factors may include but are not limited to, extreme weather conditions and technical failures.


5.How do I cancel my order?

Please refer to the Return Policy for additional information.


6.What if I don't receive my order?

Please contact the carrier to see if they have delivered the item to the right address. Meanwhile, we also recommend sending us your phone number so we can put a claim against the carrier to search for your package. Generally, the search result should take one week.


7.What if I have received a damaged order?

Please initiate a return request from your personal center and within 3 business days after receiving your package. Note any visible damages (scrapes, dents, etc.) or operationally damaged (the system will not work), take the digital photographs and provide Casainc with proof of the damage in detail as this will assist us in processing your order refund.


8.When can I expect a refund debited to my account once I return the item?

Once you are authorized to return an item back to us, please pay close attention to the return tracking number. Once the item is delivered to our warehouse, we will issue you the refund in 3-5 business days.


9.What is the warranty of my item?

All items come with a guarantee 3-month warranty from the date of purchase. We will cover any cost occurred due to item quality issue.


10. How do I return the item?

If you received any defective items, you can contact us for a full refund.


11.Is that possible for me to order replacement parts from you?

Normally we don’t sell parts individually. If your order is under warranty, we will send replacement parts to you without any charge providing if we have the parts available. If your order has extended its warranty date, we advise you to order any additional parts or replacements from your local hardware store.


12.What if I can’t pay by credit card?

If you are unable to make the payment by credit card, alternatively we suggest using a bank debt card or Paypal to finish the order.


13.Will an invoice be included in my package?

There will be no invoice in your package. If you want to request for an invoice, please contact our customer service for a screenshot of your order details.



1. Why do I not receive an order notification after completing a transaction?

Please check your spam folder, as long as the web page shows that the order has been placed successfully, then your order must have been completed.


2. How can I track my order?

We prefer that you register as a member before you place an order, then you can always find your own order on the website. In addition, all orders will be updated with logistics information via email.


3、Why my order tracking status do not update?

Maybe the time you place an order just happens to be the weekend, logistics companies need to be closed on weekends, please be patient with it. 

Or your email may have gone to spam.

4、How can I get the missing part after I receive the item?

You don't need to worry. You can email us and tell us what part you do not receive and the number of it according to the instruction ( The name of each part you can find in the instruction) so that we can help you solve your problem faster.

5、Shipment Address

Please make sure that the shipping address you provide is not a P.O Box address to facilitate smooth receipt of the goods.