L Lab is a company that specializes in switching power technology. We dedicate ourselves to researching and producing various kinds of switching power supplies which applies to laptops, notebook power adaptors, USB chargers, class-D amplifiers, and a lead-free soldering system. Besides researching current products, we also explore the domain of new science and technology. We also work to actively expand our marketing channels to precipitate overall domestic and international marketing. By using our self-designed solution instead of those expensive ICs, we are able to greatly lower the cost while maintaining and improving the quality and performance of the products. Our line of switching power supplies have a common feature that allows ultra-wide dynamic voltage input, if needed. All the rated values comply with international and industrial standards.