... 4 High qualified rate Automatic spiral tube bending machine This Spiral tube bending machine is a fully automatic equipment, automatic loading, ... 92%6. Measurement: 2000mm*1200mm*1700mm This Spiral tube bending machine is automatic equipment, automatic loading, bending, unloading, all ... with high precision.2. 4H of the unique design, forming effective, high stability3. high efficiency 500 Pcs / hour