ShenZhen YingHuiYuan Electronics CO.,LTDShenZhen YingHuiYuan Electronics CO.,LTD is a professional manufacturer of switching power supply manufacturers, independent research and development, production and sales agencies; company's complete product specifications and curvaceous design of the company's products in strict accordance with the standards of safety: CE CB GS EK PSE FCC UL certified production.The British the hui source power covers all small power AC and DC power adapter, special power and various types of battery chargers.