LONGi Meter Co., Ltd., founded in 1968, is the birthplace of China's first electronic watt-hour meter.

After more than 50-year development, the company has become a national high-tech enterprise, supplying series of products including energy/water/gas/heat meter, data concentrators, collectors, terminal equipment and integrated energy management system. Over 40 million instruments have been installed in the field. We are dedicating to be a trusted metering solution provider.

LONGiMeter, with more than one thousand employees, is the largest smart energy metering instrument company based in North China. The first fully automatic factory with intelligent automatic manufacturing realizes the annual production capacity over 30 million pcs. 

LONGiMeter takes more than 5% of its total sales revenue to the R&D every year to achieve sustainable development. It has set up R&D centers in Ningxia, Hangzhou for the international exploration.

LONGiMeter firmly believes that "quality comes from the control of every detail", and has established a comprehensive quality control system. The control of the quality is from the best understanding of customer needs, the control of the whole process of design, supply chain, production and quality standards.

LONGiMeter has maintained long-term cooperation with international organizations such as DLMS, STS and PLC-G3 Associations, other third-party laboratories such as KEMA, SGS, CNAS etc, to guarantee the products conform to the latest international technical standards.

LONGiMeter starts its overseas pioneering since 1998, the project of 110,000 single-phase watt-hour meters in India. Later on, the products were supplied in Philippines, Indonesia, Nigeria, Ghana, Benin, South Africa etc.. In recent years, LONGiMeter reinforce its investment in the overseas market in order to push forward its WorldWide Strategy. Till now LONGiMeter have already settled down two overseas joint venture factories in Nigeria and Ghana.  

LONGiMeter has established a long-term strategic cooperation with partners in various countries to increase revenue for utility, provide professional technical training for local partners and utility. LONGiMeter reserves local team to provide 24/7 days of professional after-sales service.

In the coming future we will continue to move forward steadily and be a trusted metering solution provider.