Shenzhen Yidashun Technology Co., Ltd. is a high-tech enterprise approved by government, dedicated to the R&D, manufacture and sales of laptop adapters, other AC/DC adapters, universal laptop adapters, swiching power supply and waterproof LED driver. The company has a R&D team with 10 engineers, who can provide the whole solution of power adapters and power supplies for clients; Excellent sales export our products to European and American countries, Middle East countries, HK, Southeast Asia countries and Oceania. The company is located in shenzhen, there are more than 300 staffs, owning more than 5, 000 square meters of development and production base. To cater to present increasingly fierce market competition and the demands of the rapid development of high technology, R&D persons improved power circuit ways to make them with overvoltage, overcurrent, overload, short-curcuit and overtemperature protections, which can protect your products at a certain extent through cutting off output circuit way when any problem happens. Our factory has a relevant series of professional test machines to test each product to make each one qualified!