Return & Refund Policy

By placing an order, You confirm that You have read, understood and accepted these following policy.



We accept order cancellation before the product is shipped or produced.We cannot cancel the order if the product is already shipped out.

We also offer order adjustment service if your order is not yet shipped out. If you want to make any changes to your order, welcome to email us at as long as it has not been shipped.


Return or Resend


We offer 30-day guarantee on receipt, which means you can request a return within 30 days after your ordered. We must be informed of any return requests within 30 days of the date the customer placing the order. For Warranty products (Replacement parts only.Original parts are of no return) returns follow instructions.
Within 30 days after HP Injection shipped out the goods, HP Injection is responsible for all postage costs of reason “quality problem”or”wrong shipped”.
The customer is responsible for all postage (Both we ship to you and your own return freight) and warehousing charges for "wrong purchase" or "no longer needed".


Over 30 days, HP Injection reserves the right to refuse the return request and only accept the exchange request. The customer shall bear the all cost of exchange.
Please Contact us for Return in 30 days.
Please note parts must be in new condition. Parts will not be accepted for return if they have been installed or not in new condition.

PLEASE NOTE: Genuine/Original parts do not provide return or exchange service.


Return/Exchange Steps:
1.We have warehouses in USA and China,please contact us first for return or exchange.
2.We will send you the return address after confirmation then please waiting for the return.
3.After we receiving the return and checking the package that there is no problem,we will resend the order or make refund.


To complete your return, we require a receipt or proof of purchase. Please contact our support team via for more information.


If you request a return, we will charge you a return fee according to certain standards. If it is due to product quality problems or the wrong goods are sent, we will bear all return postage; if it is because the customer purchased the product incorrectly or no longer needs it, the customer must bear the return postage.

All return postage charges are based on actual costs paid.


If the tracking of the products shows it never arrived according to the couriers' official website, we will take full responsibility and offer you full refund.

If the products arrived damaged, please send us clear photos with packaging including shipping label, we will offer your full refund.


If you request a return, please contact us online or go to Part-Request and leave us message with your order number, we will reply you within 10 hours to meet your request.

Exceptions / non-returnable items
Certain types of items cannot be returned, we do not accept returns on original products. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Please note that we accept returns within 30 days of placing your order. Our return service does not apply after 30 days of placing the order.


If the item is faulty due to an error on our end (e.g. wrong item ).We are willing to resend the correct product for you.

If the item is defective due to transportation issues (such as damaged items).We can reissue new product for you under the premise that you bear part of the shipping cost



Refunds (if applicable)

Once your return is received and inspected, we will email you a notification of receipt. We will also notify you of the approval or rejection of your refund. 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.


Due to transportation problems, If you think the return is too troublesome,the goods are damaged when the goods are received, we can bear part of the loss and refund 20% of the price of the damaged products in the order.

Get in touch.

Company: Hangzhou Widen Mechanical Parts Co., Ltd.

Room 469-8, west side of Bonded Road, Airport Economic Zone, Pilot Free Trade Zone, Xiaoshan, Hangzhou, Zhejiang, China, 310000.

Tell:+86 19518375048