Introduction: Beryl (Zhaoqing Emerald Electronics) Technology Co., Ltd. (referred to as "Emerald") is an enterprise with outstanding technological transformation achievements in Zhaoqing City; The company was established in 2004 and is a key high-tech enterprise under the National Torch Plan, integrating the research and development, manufacturing, and sales of aluminum electrolytic capacitors, solid-state capacitors, and supercapacitors; At present, the company has more than 30 national patented technologies, provincial engineering centers and enterprise technology centers, and has technical cooperation teams from Germany and the United States. The company has been growing rapidly for many years and was officially listed on the New Third Board on January 16, 2015, with the stock code 831804; Beryl (Zhaoqing Emerald Electronics) official website: www.zq-beryl.com.