Qingdao Topscomm Communication Inc., together with its subsidiaries, engages in the research and development, production, sale, and service of low-voltage power line carrier communication and fire protection products in Mainland China and internationally. It offers photovoltaic four-phase, inverters, smart microgrids, and liquid flow energy storage solutions. The company also provides electric energy collection, electric energy metering, distribution automation, and digital and intelligent applications of medium and low voltage power grids, including medium and low voltage carrier communication products, various electric energy measurement equipment, power distribution monitoring terminals, power grid distribution business support systems, power quality monitoring and management equipment, and medium and low voltage AC/DC hybrid distribution systems and equipment. Qingdao Topscomm Communication Inc. was founded in 2008 and is headquartered in Qingdao, China.