Eternal is a new energy technology enterprise integrating R&D, production, sales and service, which is committed to electric power drive technology and has been deeply engaged in the field of intelligent control system for many years. The company mainly focuses on off-grid solar solution,photovoltaic inverter and energy storage system,customized servo drive system, permanent magnet brushless drive system, etc. The products are widely used in home, commercial or industrial area,like for ventilation, water supply and drainage,pumps, etc..