长海股份：光伏用复材边框现阶段处于市场推广应用阶段

Core Viewpoint - Changhai Co., Ltd. is currently in the market promotion and application stage for its composite material frames used in photovoltaic applications, actively collaborating with downstream customers for market expansion [1] Group 1 - The company has stated that the high-performance fiberglass yarn and composite felt produced for the composite material frames are key reinforcement materials for frame profiles [1]