Guangdong Ellington Electronics Technology Co., Ltd. and its subsidiaries research, develop, manufacture, and sell high-precision, high-density double-layer and multi-layer printed circuit boards in China and internationally. Its products include multilayer, thick copper, high-frequency and high-speed, metal-based, and HDI circuit boards, used in automotive electronics, computing and communications, industrial control and medical, new energy and power supply, multimedia and display, and other applications. The company also engages in investment activities and has a strategic partnership with CMK Corporation. Formerly known as Ellington Co., Ltd, it changed its name to Guangdong Ellington Electronics Technology Co., Ltd. in November 2007; it was founded in 2000 and is headquartered in Zhongshan, China.