Chongqing Deyuan Sheng Instrument Co., Ltd. is a trustworthy innovative technology company that has partnered with relevant domestic enterprises to introduce advanced testing technology from abroad, develop, produce, and act as an agent for advanced and highly reliable electronic software and testing systems. The company's main products under the DEOI brand include power testing systems, military equipment aging testing systems, and automotive electronics testing and inspection systems, which are widely used in industries such as motors, photovoltaics, electric vehicles, capacitors, lighting fixtures, aerospace, military, and electronic product testing.