Merryking Electronics started operating in 2005. Since then, we have designed, researched, and manufactured power supply adapters and chargers. Merryking is proud to say Shenzhen is our home. We have a highly trained staff and use the latest technology to manufacture the most cost-effective, greatest quality power supply adapters. Every power supply adapter is designed and manufactured to perform optimally. Every step from raw material sourcing to pre-shipping inspections is done with attention and care. We believe a power supply adapter speaks for itself in terms of quality, care, and precision. Our quality is reflected in our 3 year warranty. We believe in our products and we know you will too.