ZST Digital Networks, Inc. engages in supplying digital and optical network equipment and providing installation services to cable system operators in China, as well as in providing GPS location and tracking services to local logistics and transportation companies in China. It offers a line of IPTV devices that are used to provide bundled cable television, Internet, and telephone services to residential and commercial customers. The company has assisted in the installation and construction of approximately 400 local cable networks in approximately 90 municipal districts, counties, townships, and enterprises. ZST Digital Networks has also launched a commercial line of vehicle tracking devices utilizing its GPS tracking technologies and support services for transport-related enterprises to track, monitor, and optimize their businesses. The company was founded in 1996 and is based in Zhengzhou City, the People's Republic of China.