Shenzhen Topstar electronics Co., Ltd. is a high-tech LED enterprise engaged in researching, manufacturing, selling and project service of LED Display. Topstar has focused on the quality and innovation of products for 10 years. Excellent quality is our lifeline. Continuous innovation has provided us a new development opportunity. Topstar has a professional R&D team, and the products have passed the EMC of TUV Lab in Germany. and North American ETL certification, as well as quality system ISO9001: 2008, CCC, CE, FCC, RoHS and other certifications.