Ningxia Longji Ningguang Instrument Co., Ltd., founded in 1968, formerly known as Military Industry 4430 Factory, is the birthplace of China's first electronic electric energy meter. After half a century of development, it has become a well-known high-tech enterprise throughout the country. At the same time, the company has two national innovation platforms, "National Enterprise Technology Center" and "National and Local Joint Engineering Laboratory", and is a specialized and new "little giant" enterprise recognized by the Ministry of Industry and Information Technology. The company is mainly engaged in energy metering, energy management and clean energy applications, including smart electric energy meters, smart water meters, smart gas meters, smart heat meters, etc., and can provide concentrators, collectors, negative control terminal equipment, smart energy management systems, clean energy heating solutions, intelligent distribution network products and solutions and other products.
 

The company has completed the projects of "Intelligent Demonstration Factory of the National Development and Reform Commission" and "Application of New Intelligent Manufacturing Model of the Ministry of Industry and Information Technology of the People's Republic of China", and is a leader in the construction of digital factories in the industry.
 

The company's products are sold in more than 30 provinces, municipalities and autonomous regions in China, and have been exported to many countries and regions in Asia, Africa and Latin America.