1.Significant energy - saving effects: Yimeilai Windows' Changle factory reported a substantial drop in electricity costs after installing a photovoltaic energy storage system. The factory uses solar power during the day and stores excess power for use at night or on cloudy days. The factory's electricity costs have been cut by about 30%, reducing production costs.

2.High system stability: Customers report stable operation of the photovoltaic energy storage system with no power outages or equipment failures. The energy storage system provides stable power on cloudy or rainy days or when there's insufficient light. It is professionally designed and installed, meeting the factory's daily electricity needs without affecting the operation of production equipment.

3.Professional installation and service: Customers highly praise the professionalism of the installation team. The installation process is standardised and doesn't interfere with the factory's normal production. The Changle factory mentioned that the installation team prepared a detailed plan before construction and strictly followed safety rules during the process. After installation, technicians trained factory employees to ensure they could skillfully use and maintain the system.

4.Significant environmental benefits: The photovoltaic energy storage system not only reduces electricity bills but also offers considerable environmental benefits by using clean energy and cutting the factory's carbon emissions.