The waterproof pressure plate is a specialized accessory used in photovoltaic systems to secure solar modules while providing effective waterproofing. It is primarily applied in metal roof photovoltaic installations, such as color steel tile roofs, to prevent water leakage at module. We specialise in suppling kinds of screws,washers,fittings and stamping parts with excellent quality and reliable price. We are a professional fastener supplier in china,and We established the factory in Jiashan in 2011. Our fasteners according to a number of internationally recognised standards. Photovoltaic panel pressure plate is a vital component of the renewable energy industry. It is a green and clean source of energy.