Ningbo customers buying galvanized butterfly cages (that is, foldable warehouse cages) wholesale from Xintongnuo will have a smoother run if a few points are confirmed before ordering. Please prepare: company name, contact person, phone, email; outer dimensions; dynamic and static load; whether stacking and how many layers; and use (rack storage or workshop turnover). The 1000*800*840 model has a foot height of 100 and an internal usable height of about 700, a relatively common type domestically. Standard sizes (mm): A-3: 800*600*640 A-5: 1000*800*840 A-7: 1200*1000*890 Non-standard butterfly cages can also be built. The surface defaults to cold galvanizing; please tell us in advance if you need hot galvanizing or powder coating.