Founded in 1968, LONGi Meter Co., Ltd. has walked through 57 years since it introduced and manufactured 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 Concentrator Unit, collectors, terminal equipment and integrated energy management system. Over 50 million instruments have been installed all over the world. We are dedicating to be a trusted metering solution provider.