The roofing panel for photovoltaic system is made of high-quality brand steel sheets for the surface,and it's continuously cold-formed and profiled.This new heat-insulating and flame-retardant material is made of D-BASF material and it is a multifunctional roofing product integrating heat preservation,energy saving and solar energy utilization.The roof rib can be directly connected with the clamp,without penetrating the roof structure.It is suitable for industrial buildings with a roof inclination of 3%.The self-cleaning high-grade panel reduces the amount of dust on the roof and keeps the building roof for a long time.Self-cleaning performance provides a systematic solution for the use of roofing solar energy.