Qida is a switching power supply&adapter manufacturer which is producing a variety of power supply,power adapters and more.Our factory is positioned in the international business city Guangzhou of China,close to the Guangzhou Baiyun international airport with most convenienttransportations.With more than 15 years experience in the global power supply industry.Qida high performance power products are widely used in all kinds of electronics including speakers,audio amplifiers,mixers,LED display,LED lighting,medical equipment,TV,PC and more.We are the recognized technology leader and a manufacturer of switching power supply&adapter,with most popular,stylish and luxurious designs worldwide,to exactly do the high technology&engineering power supply production and sales even design.With state-of-the-art facilities and technical expertise, we provide the most advanced power supply devices and help to support ourprivate label business by offering Research and Development for growing corporations.Our advanced production equipment features a mechanical flapper system that provides an even distribution in alldirections creating incredibly strong, uniform, quality switching power supply and adapter equipment.This superior strength means high durability in the kinds of environments as well as bad environment that won't break down and damage easily when using.With an infinitely customizable product line and exceptional customer service, it will only take one phone call or an Email to make us your preferred power supply and adapter manufacturer.Working Principles-Meticulous working is the key to optimize the Performance of power supply equipment,our working objective -carefulness ,conscientious,realistic ,pursuing breakthroughs.