Hollysys Automation Technologies Ltd. provides automation control system solutions in the People's Republic of China, Southeast Asia, India, and the Middle East.

The company offers a suite of industrial automation systems, including hardware-centric products, such as instrumentation and actuators; proprietary software-centric distributed control systems/programmable logic controllers; and valued-added software packages comprising simulation training system, HolliAS asset management system, advanced process control, and manufacturing execution system, as well as HOLLiAS MACS-N DCS, a proprietary nuclear power non-safety automation and control system.

It provides train control center, an on-ground control center that monitors route condition, track status, train schedules, distance between trains, and the working status of other function devices, as well as generates control instructions and commands.

In addition, the company offers automation train protection that operates as a train over-speed protection mechanism; other signaling products, including automatic train operation system, track circuit, line-side electronic unit, balise transmission module, temporary speed restriction server, radio block center, and computer-based interlocking; and supervisory control and data acquisition system, an open software platform.

Further, it offers integrated automation control system solutions, mechanical and electrical solutions, including design, engineering, procurement, project management, construction and commissioning, and maintenance related services, and installation services.

The company was formerly known as HLS Systems International Ltd. and changed its name to Hollysys Automation Technologies Ltd. in July 2009.

Hollysys Automation Technologies Ltd. was founded in 1993 and is headquartered in Beijing, the People's Republic China.