Zhaoqing Emerald Electronic Technology Co., LTD. (hereinafter referred to as "Emerald") is an enterprise with outstanding technological transformation achievements in Zhaoqing City. The company was founded in 2004, set aluminum electrolytic capacitor, solid state capacitor and super capacitor research and development, manufacturing and sales as one of the national torch Plan key high-tech enterprises; At present, the company has more than 30 national patented technologies, provincial engineering centers and enterprise technology centers, and technical cooperation teams in Germany and the United States. The company has been growing rapidly for many years, and was officially listed on the "New Three Board" on January 16, 2015. The stock code is 831804.