Guangzhou Dingyuan Electronic Technology Co., Ltd. is a manufacturer of DC-DC and AC-DC power modules integrating R&D, production, sales and service. The company has passed ISO9001:2008 quality management system certification. With an expert R&D team, product development has gone through project review, program review, sample testing, small batch testing, batch finalization and other design demonstrations and engineering, manufacturing verification, and various reliability tests to fully guarantee the quality of power supply design. The key components of the DC-DC and AC-DC power modules produced by the company are all made of internationally renowned brand electronic components and highly flame-retardant materials. The company adopts advanced automated production equipment and processes and has passed CE certification, making the product consistency good and the pass rate high. The company has internationally advanced testing equipment, and all products pass 100% fully automatic tests twice, namely the initial test and the final test, thus ensuring the high reliability of "TOPPOWER" power products. We provide 0.1-40W power module products, 25-1200W switching power supply and 15-480W rail-type switching power supply modules. We are committed to providing professional products and services in the power supply field. We have more than 100 series and thousands of mature and stable products to choose from. Conventional products adopt the mode of stock production to meet your requirements for fast delivery. The power modules produced have been widely used in the fields of power, industrial control, instrumentation, medical electronics, rail transportation, communications, security systems, etc. The company takes "technological innovation" and "quality first" as its core competitiveness, and the brand purpose of "choose Dingyuan, choose high-quality power supply", and continuously establishes a complete supply chain system and a global market service network to create the world-renowned "TOPPOWER" brand.