Established in 1970 and listed on the Shenzhen Stock Exchange since 2014, Chaozhou Three-Circle (Group) Co., Ltd. (CCTC) is a leading enterprise in the research, development, manufacturing, and sales of electronic basic materials, components, and communication devices. Their diverse range of products caters to various industries including optical communications, electronics, machinery, energy conservation, and more. CCTC has consistently been recognized as a "National High-tech Enterprise" and has secured a spot among China's top 10 electronic component enterprises. Their main offerings include electronic components, semiconductor components, information and communication components, and new energy components. Notably, their ceramic substrate for chip resistors and ceramic rod for resistors are considered market leaders globally.