Yanll Technology Development Co., Ltd. is a professional provider specialized in the development, design, manufacturing and marketing of power supplies. The products of our company cover a wide variety, including power supplies (1W~250KW), power systems, universal notebook adapters, chargers, power supply converters, etc. Its clients are found all over the world in more than 30 countries and regions. Our company has always been pursuing the philosophy of meeting customers� needs rightly and holding the business philosophy as Integrity, Specialization, Innovation, Quality and Services. And we will stick to this tenet and concept to provide the best products with most professional techniques and most perfect service