Our Heavy Sliding Door Series-Open and Extend is a high-quality product made at our factory. This product boasts sturdy construction and durability that ensures long-lasting performance. With its smooth and effortless operation, this sliding door is perfect for any home or commercial setup that requires frequent access. Its heavy-duty design and reliable mechanism provide extra security while still being easy to use. At our factory, we focus on creating products that meet our clients' needs for quality and affordability. Buy our Heavy Sliding Door Series-Open and Extend today and enjoy a hassle-free installation and use experience.