A warranty provided by Shenzhen Cosun Sign Engineering Co., Ltd. deals with product defects in materials and workmanship from the original date of purchase from our factory. Its coverage can last up to several years, although the length of the coverage varies from product to product. So for how long we will be held accountable for a specific product, please contact Customer Service. For those products that are intended to last a long time, we usually consider offering longer warranty periods, provided that the quality of these products should be improved and the failure rate is controlled during the specified time.

Cosun is recognized for offering top-quality acrylic sign letters. Cosun's main products include acrylic signs series. This product is safe to use. It will produce extremely low levels of UV and IR, protecting the objects being illuminated. Featuring water resistance, the product can withstand the harsh outdoor environment. There is room for continuous development for this product. This product can resist yellowing for a long time.

Superior quality is the standard we set for all our products. We will never compromise on our goal to provide consumers with the best products that perform at the highest levels.