Shenzhen Expand Technology Co., Ltd is founded in 2012, with many years 's experience in the power supply industry, specializes in the research and development of environment protective and energy-efficient switching power supplies, chargers and adapters. We have got UL, TUV, GS, CCC, PSE, CE, SAA, KC, KCC, LVD, EMC, FCC and CB Certifications. And we have EMC EMI test laboratory, full-automatic High Temperature Operating Life, wave-soldering. Our products are widely used in electric vehicles, batteries, electric toys, beauty parlors, medical equipment, monitoring systems, instruments, automobile appliances, LED lighting, LCD displays, digital communication and other industries. All products comply with ROSH, REACH. Our company holds the "technology first, people-oriented" concept. We follow the "Quality is life" principle. We are in accordance with ISO9001: 2000 quality system management standard. We have established a comprehensive quality assurance system. We go the extra mile, and we are prode of ourselves with unique Customer Service Team, to give our customers individualized attention, including from OEM / ODM products, exclusive packing to shipping arrangement, as well as technical support after shipment. Our R& D team put in every effort and research to offer our customers a superb line of high-quality products and craftsmanship, the high standard facility equipped production line and the experienced engineers employers are always focusing on the premier quality production line. We strives to keep the lowest and most competitive prices around with high quality power supplies. We have been cooperating with our vendors for long-term and stable, getting very stable and high quality parts / material from them. Welcome your visit!