This article provides a practical, standards-aware analysis of stacked Al-Zn alloy coated layer hen cages for modern intensive egg production. It explains where stacked cage systems deliver the most value—from small family farms seeking higher space efficiency to large, standardized export-oriented poultry houses requiring consistent output and durability. By comparing Al-Zn alloy coatings with conventional galvanized finishes in corrosion resistance and expected service life, and by referencing commonly adopted GB/T-type compliance logic and field-proven configuration parameters, the guide helps producers evaluate equipment performance, fit-to-house conditions, and long-term operating efficiency. It also summarizes key installation and maintenance considerations, and clarifies suitability across different production stages—supporting clearer decision-making and faster farm upgrades. For tailored configuration planning, readers are directed to a professional service entry to request a dedicated selection proposal from Zhengzhou Livi Machinery Manufacturing Co., Ltd.