Currently, it is widely believed that the average lifespan of crystalline silicon photovoltaic cells is almost 25 to 30 years

The grade of solar panels can be divided into grade A, B, C and D, while grade A modules can be divided into grade A+ and A-.

As domestic solar technology becomes increasingly advanced, more and more businesses and households are installing solar roofs.

With the hot development of the photovoltaic industry, there are precedents to apply solar energy to buildings both at home and abroad.