Yes, it has. Guangdong Liangyueliang Photoelectric Technology wants you to be delighted with your purchase so we establish a set of warranty rules for our products. If, during the warranty period, your product needs service, please give us a call. We will arrange refund, maintenance, and other services specified in the contract signed by the parties. If you have any questions about your warranty coverage, or you think you need service, call our Customer Service. We're here to help you get the most from your UV sanitizer lamp.

By cause of the strategy of portable uv light, LiangYueLiang has gained more balanced and diversified development. Liangyueliang Photoelectric Technology's cold cathode UV lamp series are created based on unremitting efforts. LiangYueLiang UV Sterilizer bag will go through a complete analysis. The analysis includes safety, the mechanical performance of components, overall operational efficiency, and so forth. Liangyueliang has passed ISO 9001:2015 international quality management system certification. The product is smaller compared to other lamp bulbs and in fact, they only consume low energy, making it be the most efficient source of lighting. Liangyueliang's UV products have passed China Compulsory Certification.

We think highly of sustainability. During our production, we will pay close attention to the overall production waste and gas emissions.