A butterfly cage is also called a storage cage or foldable butterfly cage. Xintongnuo supplies butterfly cages, foldable butterfly cages, wire cages, cage boxes, storage cages, and warehouse cages. Product features: 1. Uniform specs and fixed capacity, with a galvanized or coated surface; coating color can be produced to customer requirements. 2. Goods are visible at a glance, and each cage can be numbered for easy warehouse counting. 3. Cages stack to height for three-dimensional warehouse storage, saving space. 4. Paired with forklifts, lifts, and cranes, they cover transport, handling, loading, and storage - a good fit for logistics. 5. High-strength wire spot-welded, with the bottom U-channel welded for reinforcement, giving a sturdier structure. Simple operation, wide use, long life, and easy to modify (for example, adding wheels to the feet). It is widely used in supermarkets, food, auto parts, construction machinery, sanitation, automated warehousing, packaging, transport, turnover, stacking, pairing, and export. Standard butterfly cage sizes (mm): A-3: outer size 800*600*640 (L*W*H) A-5: outer size 1000*800*840 A-7: outer size 1200*1000*890 A-9: outer size 1500*1000*890 Non-standard butterfly cages can also be custom-built. As an international standard logistics container, it is widely used to turn over and store raw materials, semi-finished goods, and finished products. Full cages stack four layers high; empty ones fold flat.