Thank you for your using Dualrays LED luminaires, we regards quality first as our marketing philosophy from the design and package of all our
products,we here declare that all of our products are tested by professionals and obey strict quality standards,we have professional after-sale
service team to follow our customers,we promise that when you find any quality problems caused by the products quality itself within its
guarantee period,you can contact us freely. When confirmed by the QC Department, we will immediately help you to exchange or
maintain products for free.Shenzhen Dualrays Optoelectronics Co., LIMITED. will serve you with heart and soul!