There are significant differences between lean pipe and iron pipe in terms of material structure, application scenarios, performance characteristics, and cost-effectiveness. Lean pipe adopts steel plastic composite, stainless steel or aluminum alloy structure, which has the characteristics of lightweight, corrosion resistance, and repeatable assembly. It is mainly used for building industrial flexible production lines; Iron pipes (ordinary steel pipes) are mainly made of a single metal material, focusing on construction and heavy-duty scenarios.