Every day, we all stay here to prepare ourselves for the variable demands of power supply markets, based on the innovative technology and win-win cooperation concept, Jiuyuan Electronic has been achieved the recognition and trust from both domestic and overseas customers, and Jiuyuan Electronic becomes one of the most professional R&D and manufacturing enterprises in the field of DC power supply in China.The company has ISO9001 and other enterprise certification qualifications, and is an excellent enterprise with social responsibility.