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.