Contact Us
ADD : 7F,Building#B, Guangcheng Low-carbon Industrial Park, GongMing Town, ShenZhen, China, 518106

Sinolumi will replace or repair defective products within 7~10 working days upon our approved inspection of the returned product(s); if replacement or repair is not available, we will credit customer's account and apply the credit in future orders.

Warranty Claim Procedures:
1. Prepare and provide following information
1) Defective items (including part number and product name) and quantity
2) Description of the manufacturing defect
3) Proofs of defect, e.g. photos and videos
4) Original invoice issued by Sinolumi
5) Date of purchase and, if already installed, date of installation

2. Contact Sinolumi Customer Service Team
Please send above information to our customer service team at or Fax it to us at +86-755-23418162. We will advise you on the next steps to complete your warranty claims.

Return procedure:
To obtain approval of product return to Sinolumi, customers needs to follow our return procedures below:
1. Complete "Defective Return Form" or email to obtain "Return Material Authorization (RMA) Number", "Authorized Shipping Account Number" and a shipping address label of Sinolumi Return Center.

2. Indicate clearly the above "Return Material Authorization (RMA) Number" and "Authorized Shipping Account Number" on a tag attached on the return product and dispatch the product to the stated shipping address.

3. Returned product will be inspected upon arrival at the center.

4. Once product is determined to be defective, we will replace or repair the product within 7 working days.

1) Any return without authorization of Sinolumi will not be accepted.

2) If return product is found to be damaged, missing parts, a minimum 17% restocking fee will be charged.

3) If return product is found to be non-damaged, the product will be returned to customer, at customer's expense, and a minimum 10% test fee of the product value will be charged.

Please download Defective Return Form here.