Jiangsu Caidao Precision Instrument Co., Ltd. was established in 2016 at country-level HDA of Kunshan, and Caidao has become a national high-tech enterprise in high-end optical image measurement and various inspection instruments, CMM, and AOI automatic testing equipment research and development, production and sales services. Its wholly-owned subsidiary, INTAC Optical Instrument Co., Ltd. has a wide and in-depth customer base in the display panel and semiconductor industry. The related products have been used in many well-known panel semiconductor companies in China and the world.