Guanyuda Power Supply Co., Ltd. is in Shunde of Guangdong province, China. We are established in 1999 and specialize in the research, development and manufacturing of different kinds of power supply. Our factory covers over 6000sqm and employs over 400 staff, and 60 persons for supervision, 25 professional technical supervisors and 15 persons for R&D. Capacity over 500,000 pieces per month.