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✅Three-track linkage design, the opening space is larger, and the ventilation effect is full. ✨Panoramic narrow edge design, unobstructed vision, the living room turns into a viewing platform in seconds 🌟High load-bearing pulley, push and pull light and silent, still smooth after long-term use 💫Multi-layer sealing hidden drainage, soundproofing, heat insulation and waterproof 🛠️It can be installed in one piece, which is beautiful and practical, and can be used in all seasons. #slidingdoor #mi