HaiYan YongWei Electronics Co.,Ltd., as one of the hi-tech. companies is a power supply company which design, market and manufacture specialized switching power supplies. HaiYan YongWei is an officially registered member of China Power Supply Association. In believing that the best product must be the most suitable product for the customer, we tailor our design to fit every single customer’s special needs, to make our power supplies truly for customers’ applications with the best value. In the past, we have already developed and manufactured more than 300 models of power supplies for the customers around the world, our products include cased, case-less, and modularized power supplies, input/output covers AC-DC.Our end user applications include Telecommunication, Cable TV, Business Machines, Office Equipment, Consumer Appliances, Medical Equipment, Instrument, Industry Control and more. After years of working with variety of industries around the world, HaiYan YongWei has developed a top class engineer team with rich experiences and latest concepts in the industry, we will be able to work with customer closely, efficiently on developing new products which will meet industry standards and international certifications. We have already set up lead-free assembly lines, and are able to produce RoHS compliance power supplies.What we supply are approved by: ROHS、TUV、UL、cUL、GS、BS、CE、VDE、EMC、FCC、SAA、CB from 0.9W-120W,voltage for 3V-58V,current from 300mAh -7500mAh. We perform all kinds of standard testing on our switching power supplies, our strict testing and quality control will ensure every single power supply ship out faultlessly. All the models which required certifications by customers have passed certification tests, which gained HaiYan YongWei well known fame and reputations in this industry. HaiYan YongWei will continually design and develop better products for our customers!