Changzhou Zhongying Science & Technology. 

Changzhou Zhongying Science & Technology Co., Ltd is a company dedicated to the research, development, production, and sale of advanced high-frequency communication materials. These specialized materials are primarily supplied to manufacturers of printed circuit boards (PCBs). The company's offerings include various high-performance copper clad laminates (CCL), such as its D-type, CA-type, and 8000-type series. These laminates are critical components used in diverse applications like mobile communication devices, automotive electronics, satellite navigation systems, military radar, and other general communication technologies. Additionally, Changzhou Zhongying produces sophisticated high-frequency polymer matrix composite materials. These composites are essential for demanding fields such as communication base stations, aerospace technology, satellite communication networks, military radar systems, new energy vehicles, electronic countermeasures (ECM) systems, and global positioning systems (GPS), as well as other high-frequency communication applications. Established in 2006, the firm operates out of Changzhou, China.