Dongguan Gaoyi Electronic Co.,LTD is located in the dainty International electron develop area of China.As one of the key enterprises subsidiary to Gaoyi Industry Ltd., our factory specializes in the manufacture of power transformers, AC/DC adapters, ring transformers, high frequency transformers, electros transformers and on-off electrical source power supply. Our factory covers an area of 5,000 square meters with an annual manufacturing capability of 12 million pieces. As we adopt the world's most advanced techniques in the production, our products enjoy a high reputation among people in the same circle and the customers. Our products have International Certificate System range covers EN61558,EN60950,EN60065and UL 1310 Stand are fit to bear CCC,UL,CUL,SAA,CB,EMC,BS,CE,GS,ERP,PSE,EK,MEPS,Barzil and RoHS,6P,and Reach marks.also we according to an ISO9001:2008 certification management system operate factory.They are also sold well in the markets all over China. The general taxed enterprise has the qualifications t handles import and export business.Our factory has a large group of technical personnel, apart form the fixed products. All the products can be manufactured according to customer's request. We adhere strictly to high quality products. Reasonable price, excellent delivery items, sincere and considerable services are the aim of our factory; we sincerely welcome friends at home and abroad to establish business relations with us. For Quality assurance, our QC specialists conduct stringent evaluation to keep our defect rate down at 0.2 percent.We possess an independent R&D team and management system to ensure each product is delivered with top quality. Most of our products come with three year warranties. Custom orders can be produced for clients in less than 20 days. Our professional sales team to provide you with the best quality service when you have any difficult problem,and more details about our products contact us .