Need power supplies? We at Shenzhen Keyuantai Industrial Co. Ltd are the supplier to go to. Established in 2003, we provide reliable and cost-effective switching power supplies, AC/DC adapters, power adapters and USB chargers and adapters for a variety of electronic devices. Utilizing the latest technology, our R&D team develops as many as 5 new products each month. Our engineers can also work on your custom specifications, completing a sample in as fast as one week. You can rest assured that we meet international standards, as all of our operations strictly follow ISO 9001:2000 guidelines. Plus, our products have UL, CE, FCC, TUV, SASO, SAA and RoHS marks. What&＃039;s more, our QC team carries out stringent evaluation processes to ensure defect-free items. Our confidence in our goods is reflected in the one-year warranties that we offer. Learn more about why our power supplies are selling well throughout Europe, the US, South Korea and other markets. Contact us today.