Why do your laying hen cages rust within less than 5 years? This article deeply analyzes the core advantages of Q235 steel in the manufacture of laying hen cages, compares the anti-corrosion performance differences between hot-dip galvanized and aluminum-zinc alloy coatings, and illustrates how to extend the equipment lifespan to 15 - 20 years through scientific material selection and structural design with real application cases. Meanwhile, it interprets the significance of ISO9001, ISO14001, and CE certifications in guaranteeing product quality, helping breeding enterprises make more rational, durable, and compliant procurement decisions.