The lifespan of chicken cages directly impacts poultry farming costs and operational stability. This article explores the scientific pairing of Q235 steel with hot-dip galvanizing and aluminum-zinc alloy coatings, revealing how proper material selection and routine maintenance can extend equipment life to 15–20 years—reducing premature replacement waste and ensuring long-term ROI for farmers. Practical tips on connection checks, drainage cleaning, and environmental adaptation are included, along with real-world case studies demonstrating cost savings and durability improvements.