







The following is a captivating description of our Adjustable Plastic Steel Ladder, masterfully crafted for versatility and excellence in multi-purpose drainage inspection tasks:
Material Composition: Our ladder boasts an outer layer composed of robust, high-strength engineering plastic, specifically copolymer polypropylene. This material ensures exceptional resistance to high temperatures, humidity, deformation, and detachment. Within this resilient exterior, high-quality round or threaded steel—sourced from prestigious manufacturers like Jinan Iron and Steel Group—forms its core, with typical diameters of 16mm or 20mm, offering unparalleled strength and durability.
• Performance Characteristics
Unmatched Durability: Our ladder is engineered to withstand the harshest conditions, offering superior corrosion resistance against chemical agents, including ultraviolet rays and acidic or alkaline substances. With an operational temperature range of -15 to 100 °C, it guarantees remarkable longevity, serving up to 50 years underground and 20 years above ground, even in challenging environments.
Safe and Reliable: This ladder combines aesthetic appeal with outstanding functionality, featuring excellent anti-slip properties, superior impact resistance, and a stable, load-bearing structure. Designed with safety in mind, it includes components such as safety handrails and anti-slip locks, while being non-conductive, fire-resistant, and heat-resistant, ensuring the utmost protection for users.
Effortless Installation and Maintenance: Installation is straightforward and swift, as the ladder can be seamlessly embedded into walls during pre-installation. Its smooth surface prevents dust accumulation and allows for easy cleaning with water. Enjoy its robust anti-aging capabilities, minimizing the need for frequent replacements and ensuring long-lasting performance.
Wide Application Scope: Perfectly suited for a variety of environments, our ladder is ideal for inspection wells, water towers, civil defense projects, slope subway tunnels, and both industrial and residential buildings as fixed stair solutions. It is particularly invaluable in sewage inspection wells, cable wells, sand wells, and other similar settings, showcasing its versatility and reliability.