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The growth process of Uniontop Electronics:


2001- The company was founded in Huaqiangbei, Futian, Shenzhen. We specialize in producing switch power adapter ODM and OEM manufacturers.


2004- Hong Kong branch established, San Sheng Electronics (Hong Kong) company established


In 2006, with the expansion of production scale, the company relocated its production base to its own factory building, Longgang Buji Factory for production.


In 2007, the company became an OEM manufacturer of switching power transformers for HP engraving machines.


In 2010, the company's ERP resource management system began to be introduced and used.


The company is a professional manufacturer of switching power supplies, LED driver power supplies, power adapters, car power chargers, and chargers. The factory has passed the certification of international quality ISO9001:2015 management with registration number UKQ1809062R3, and has been conducting production management in accordance with ISO standards. At present, the ERP company management system has been introduced to ensure that all products of the company maintain high quality while effectively reducing costs, in order to provide customers with better services and more competitive products. Our products have always been highly recognized by customers, while adhering to our company's spirit of "efficiency, excellence, innovation, and development". We are confident in providing a complete set of switching power supply solutions for each customer and becoming your trusted partner.


Whether in research and development, manufacturing, or after-sales service, we adhere to the primary goal of meeting customer needs, providing a comprehensive range of switch power adapters to meet customer needs, and achieving customization as the ultimate goal. We provide customers with the following services and guarantees:


1、 Perfect customized product design to meet the differentiated needs of customers.


2、 Perfect after-sales service and dedicated after-sales tracking and follow-up.


3、 The switch power adapters provided by Longsheng Electronics have all passed relevant safety regulations certification, such as Japanese PSE, American UL, FCC, and Canadian CUL,


Europe CE, China CCC, International Standard CB, Australia C-TICK, SAA, Germany GS, South Korea KC, Singapore PSB, Energy Star CEC, Europe Energy Efficiency ErP, EUP Phase II, Australia Energy Certification MEPS, etc. Some products have Canada ICES-003, Mexico NOM, Sweden, Switzerland S+MARK, Brazil UC, Argentina, Russia GOST certification, and the production process has a strict quality management system.


4、 All series products have a wide working voltage range, suitable for different countries and regions around the world, and can operate normally and stably from 90V to 265V. Even in areas with unstable and fluctuating power grid voltage, it can operate normally and stably.