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Grace Solar's GS-DR4-(length) DR 4# Rail delivers unmatched durability and precision for solar mounting systems. Engineered with 57 * 33mm high-strength aluminum alloy, it supports seamless installation across ground and rooftop projects. Pre-assembled in 8pcs/bundle (336pcs/pallet), this UL/TUV/CE-certified rail ensures corrosion resistance and structural stability, backed by 48GW+ global deployment. Designed for rapid assembly and low maintenance, it integrates with AI-driven GS-Smart systems, offering a future-proof solution for residential and utility-scale solar installations...