Guangzhou Dingyuan Electronic Technology Co., Ltd. is located in Guangzhou Science City, National High tech Development Zone. It is a manufacturer of DC-DC and AC-DC power modules that integrates research and development, production, sales, and service. The key components of the DC-DC and AC-DC power modules produced by the company are made of internationally renowned electronic components and high flame retardant materials. Adopting advanced automated production equipment and processes, and obtaining CE certification, ensures good product consistency and high pass through rate. The company has internationally advanced testing equipment, and all products have passed two 100% fully automatic tests of initial and final testing, ensuring the high reliability of "TOPPOWER" power products.