Hunan Dongrui Smart Instrument Co., Ltd.

Hunan Dongrui Smart Instrument Co., Ltd. (abbreviated as "Dongrui") was established on October 26, 2011. It is a "Three Hundred Star" small and medium-sized enterprise in Changsha City, located at Room 602, Building A4, Lugu Yuyuan, No. 27 Wenxuan Road, Changsha High-tech Development Zone. It is a high-tech enterprise specializing in the research and development, production, sales, and service of smart electricity meters, and has formed an annual production capacity of 400,000 single-phase electricity meters and 200,000 three-phase electricity meters. The company also provides customers with electricity metering products and integrated information collection system solutions for water, electricity, and gas; it has currently established long-term cooperative relationships with 30% of domestic electricity meter manufacturers.
The Dongrui team has 13 years of experience in electricity metering design. The team is composed of various professional and technical researchers including Ph.D. and Master's degree holders, with specialties covering safety smart instruments, industrial automation, electronic information, electrical control, computers, software engineering, etc. To ensure sustainable development and that research and development products meet market demand, Dongrui adheres to the technical route of "independent innovation" and "independent development," and has developed a full series of electricity metering products with independent intellectual property rights, high reliability, and high cost-effectiveness, including single-phase and three-phase smart electricity meters, concentrators, and collection terminals for the State Grid, China Southern Power Grid, and Inner Mongolia Power Grid. Since its establishment, more than 500,000 units have been connected to the grid cumulatively.
Dongrui has established industry-university-research cooperation with Wuhan University and Central South University, hired expert consultants, and established the "Wuhan University Department of Automation Research Workstation" and the "Wuhan Automation Engineering Technology Research Center Industrial Incubation Base." At the same time, it works closely with chip design manufacturers and is an authorized solution provider of Ruineng Micro. The company has also undertaken and implemented provincial and municipal science and technology plan projects and provincial innovation funds, and has obtained 4 patents and 3 software copyrights related to smart electricity meters.
In 2012, Dongrui won the title of "Excellent Enterprise" in the entrepreneurial peer event organized by the Changsha Municipal Industry and Information Technology Commission, and in 2013 won the second prize in the start-up group in the Hunan Division of the China Innovation and Entrepreneurship Competition. Facing the future, Dongrui will uphold the spirit of continuous innovation and excellence, adhere to the business philosophy of "Customer First, Common Development," and strive tirelessly toward the goal of being a professional electricity meter supplier and integrated energy metering solution provider, continuing to move forward.