We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To start a return,please contact us first. you can contact us at support@rontenscientific.com.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and  This means they must be unused and in their original packaging with all product materials, such as manuals and accessories. You’ll also need the receipt or proof of purchase.

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

 Please note that returns will need to be sent to the following address:

No.316, Building 1, Mingliang Technology Park, No. 88, Zhuguang North Road, Pingshan Community, Taoyuan Street, Nanshan District, Shenzhen,China ,518055

We will contact with you if a return is to be made to another return address.

You can always contact us for any return question at support@rontenscientific.com.


About payment of return shipping fee

If the item is defective, damaged or received the wrong item, we are responsible for the return shipping cost. We will contact you by mail to arrange the return.

You want to return it if you ordered it by mistake or if you didn't like the product when you received it. You need to bear the return shipping fee, and you need to pay 20% of the return procedure (Total order price).

If returning an item, please ship it back within 30 days after you receive approval. Further delay may void your return.


Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, such as giveaway products, (such as complimentary illustrations), custom items (such as special order or personalized items) If you have any questions or concerns about a specific item, please contact us.

If the item is defective, damaged or received the wrong item. We will exchange for you.  If you need to exchange it for the same item, send us an email first and follow the exchange instructions. The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at support@rontenscientific.com.

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