ShenZhen DongDaHua Technology Co.,LTD.is a professional company ,which designing ,developing ,producing and selling switching power supply products .Its products are widely used in LED lighting ,security monitoring ,industrial automation ,communications and instrumentation industries. Safe and reliable operation of the products are deeply trusted and recommended by its users. Meanwhile ,it is selling well at home ,and other countries or areas overseas,such as Southeast Asia, Europe etc.. ?????tegrity ,pragmatism and high efficiency?????s the working style of the company.With modern factory building and comfortable working environment, strong technology ,complete and exquisite producing and testing equipment ,and by using advanced automatic,semi-automatic equipment ,the annual production capacity has reached 500 million above.