Product Review & Improvement Program

LUMINOSUM, as a leading supplier of LED lights, always explores for better product quality and service. A customer’s opinion is a great help for us to improve our products. As a result, we launch the product review and improvement program, to encourage customers to write a product review, share an experience of usage, and submit a constructive suggestion.
We are grateful for each word and sentence you’ve written, which is definitely an encouragement for our team. As a gratitude, customers who purchased our products included in this program and posted a product review, are eligible to get a $5 Amazon eGift card for free, which you can apply at check-out when shopping on Amazon.
$5 Amazon egift card
It’s very easy to get the gift. Firstly, write a review for the product you’ve purchased. You can easily find the ‘Write a product review’ button from the Orders page after signed in your Amazon account. Follow the guide to finish your rating and review content, then submit to post. Secondly, after the review is posted successfully, all you need to do is to inform us that you are ready to get the $5 e-gift card. You can contact us via Facebook messenger or email with the following content.
  1. The Amazon order ID;
  2. Your review link or a screenshot;
  3. The email account that is going to receive the Amazon e-gift card.


At last, we appreciate each user’s contribution to making a better LUMINOSUM. Any questions regarding this program, method to get the gift, product problem, please feel free to contact us via messenger or email



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