It is mainly composed of C-shaped steel, embedded steel, angle steel, connecting plate and screws. . U or C shape with standard AISI, ASTM, GB,BS,EN,JIS,DIN or customer's drawings. We are a R&D, manufacturer of solar mounting system with more than 20 years of experience, with professional technology, production and customer service team. If you have engineering project needs, we can customize the. . Photovoltaic brackets are essential components for securely mounting solar panels, ensuring stable and reliable installations. Designed for durability and precision, these brackets are engineered to withstand various environmental conditions, from extreme weather to long-term wear. Let's unpack what makes these unassuming components so critical to your solar ROI.