Shenzhen Yansema Technology Co.,Ltd founded in 2008, is a private enterprise devoted to the research and development, production and sales of power adapters of LED lights and consumer electronics. We always persists in high quality; we operate strictly according to the standard operating procedures and rules. With the rich and applicable laboratory equipment and high quality, we can make every client satisfied.In order to face the increasingly fierce market competition and meet the demands of rapidly developing high technologies, the products have passed several safety certifications at home and abroad such as CCC, FCC, GS, UL, CE, KC, PSE and RoHS and have also passed the certification of ISO9001:2008 Quality Management System.