Shop for high-quality construction materials like beams, connectors, and tubes at our online store. Find a wide range of products including middle and inclined beams, cross beams, and various connectors for your construction needs. Browse through our selection of top, side, and long beams, as well as stop tubes and trabecular components. Enhance your construction projects with our durable beam covers, mosquito nets, and support cloths. We offer a variety of bolts, washers, and nails for …