Shenzhen Rui Yi electronic Co., Ltd(DNS), founded in 2002, is an enterprise specialized in the R&D, Production and Sales of high quality switching power supply products including power adapter, LED power supply, LCD build-in supply power, communication power supply, mobile charger and car charger.

DNS is our officially brand, at present, with over 280 employees, 50 high-quality management personnel and modern standard factory buildings covering more than 3000 square meters, the month production capacity of us has exceeded 800 thousands power adapters. Rich industry experience and powerful technical support let us afford best service for customers all over the world.

Rui Yi is an ISO9000 Quality Management System company with complete functional departments as R&D Department, Engineering Department, QC Department, Production Department, Marketing Department and PMC Department, etc. Besides CE, UL, GS, CCC, FCC, CB and E-MARK are our certifications to enter markets of Chinese mainland, Europe, American, Southeast Asia and Middle East, etc.

For years, based on a high quality, youth, professional technical team, Rui Yi is adhering to the principle of "Quality is the life of an enterprise" to go ahead with exploration and innovation.