CYG SUNRI CO., LTD. ("CYG SUNRI") is a wholly-owned subsidiary of the listed company Changyuan Technology Group Ltd. (stock name: CYG, stock code: 600525.SH). As a well-known professional brand of automatic and intelligent power system, CYG SUNRI is dedicated to global energy technology innovation and quality services. In 1994, CYG SUNRI was restricted to a company from the China's Ministry of Electric Power | Power Automation Research Institution | Relay Protection and Substation Automation Lab. With its business covering more than 80 countries around the world, CYG SUNRI is the main partner of State Grid Corporation of China, China Southern Power Grid and other major energy companies.



Date of establishment






Number of employees


Customer oriented. Provide products, solutions and system integration services for the power industry

Product Center

Through continuous technological innovation and scientific research, CYG SUNRI keeps the advancement and integrity of its products and solutions with its cutting-edge technology and exquisite skills.

Protection control and automation of power grid (microcomputer/digital/intelligent)


Comprehensive energy and carbon neutral


Intelligent power distribution and utilization


Intelligent operation and maintenance system


Primary intelligent equipment



CYG SUNRI Contributes to the Official Operation of the 33kV Mobile Substation in Malaysia 2022.06.02

On April 13, 2022, CYG SUNRI contributed to the official operation o...

CYG SUNRI Wins the Award for the 2022 “BJX Cup" Pioneering Enterprise of Comprehensive Energy Service Innovation 2022.08.08

On July 28, the 4th Innovation and Development Conference of the Com...

CYG SUNRI Wins the Awards for "Influential PV & ES Integration Solution Provider” and “Influential Characteristic PV Application Project Constructor" 2022.10.12

On September 23, the 2022 PV New Era Forum with the theme of “Creati...

Empower Green Development with Science and Technology - The Comprehensive Energy Project in CYG Intelligent Industry Science Park Is Successfully Put into Operation! 2022.09.09

On August 19, 2022, the comprehensive energy project in CYG Intellig...

New Energy, New Intelligent Manufacturing and New Era - CYG SUNRI Brings Impressive Products and Solutions to the World Conference on Clean Energy Equipment 2022.09.05

From August 27 to 29, the 2022 World Conference on Clean Energy Equi...

Good News! CYG SUNRI Wins the Award for "Top 10 Innovative Brands in China's Charging Facilities Industry" 2022.09.15

From September 5 to September 7, 2022, the 6th China (Nanjing) Inter...

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