Ningxia Longi Ninguan Instrument Co., Ltd. established in 1968, which was reformed from Wuzhong Instrument Ninguan Electric Energy Meter Co. Ltd. in 2006. In 1992 the first Chinese electric energy meter was developed here, and Longi Ninguan is the only National High & New Technique Enterprise who produce energy meter for more than 19 years. Our business covers electric energy meter series, solar energy products, water meter and heat meter. We specialize in single phase electric energy meter, three phase electric energy meter, smart energy meter, power automation management system and the R&D, manufacture and sales for terminal products.

Longi Ninguan comprehensively implements ISO90001：2008 quality management system. The company supervises and manages various stage of design, produce, package and after-sales in order to form a strict product quality assurance system. The company won honors of Provincial High & New Technique Enterprise and National Quality Inspection Exemption Certificate; passed CCC National Compulsory Certificate, CE Certificate and IEC certificate.

The company expands overseas market actively, and sold the products to many other countries, as well as sets up business relationship with India, Australia, France, South Africa, Morocco, Philippines, Bengal, Ghana and Mongolia.
“Customers’ satisfaction is our biggest success.” We insist on offering not only superior quality products but also high-class service to our customers. Let customer feel relieved to choose and use our products.

Longi Ninguan has about 1000 staffs, annual produce energy meter upto 10 million pcs, which becomes the main force in promoting the industrial development. Our R&D for electric energy meter will keep on the high-end product direction of high accuracy, wide measuring range, low power consumption, networking, intelligentize, self-adaption, self-adjustment and multitask, which will establish and promote Longi Ninguan brand name.