
GUODIAN NANJING AUTOMATION CO., LTD. (SAC) manufactures power distribution and automation systems, with strong capabilities in relay protection and automation solutions for complex electrical infrastructure.
GUODIAN NANJING AUTOMATION CO., LTD. (SAC) is a high-tech enterprise headquartered in Nanjing, China, focused on the manufacture and sale of comprehensive power distribution and automation systems. The company’s core offerings include relay protection devices and a range of automation solutions built for demanding electrical networks where safety, reliability, and efficient system management are essential.
SAC serves key application areas across power grid automation, power plant and industrial automation, and rail transit automation. Its electrical equipment and system solutions support modernization projects for utilities and industrial customers, helping strengthen protection, monitoring, and control across critical infrastructure.
The company has been publicly listed on the Shanghai Stock Exchange (stock code: 600268) since November 18, 1999, and is recognized as the first high-tech enterprise within the state power system to be listed.
Publicly listed on the Shanghai Stock Exchange with stock code 600268; listed on November 18, 1999.
Recognized as the first high-tech enterprise within the state power system to be listed.
Manufactures and sells comprehensive power distribution and automation systems designed for complex electrical infrastructure and critical operations.
Provides electrical equipment and automation solutions to support the efficient management and protection of electrical components and systems across utility and industrial applications.
Maintains a strong presence in China’s infrastructure and energy markets, supporting modernization of power systems and industrial automation processes.
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