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 IATF 16949 automotive certification.With an expert-level R&D team, product research and development has undergone project review, program review, sample testing, small batch testing, batch stereotyping and other design demonstrations, engineering, manufacturing verification, and various reliability tests to ensure the quality of power supply design in all directions.The company has international advanced testing equipment, and all products have passed two 100% automatic tests in the initial test and the final test, thus ensuring the high reliability of “TOPPOWER” power products.