Dingxin Communications (603421)

Overview

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 appli

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