... , easy to study and understand; 4. Partition hypothesis speed, high pipe-bending precision up to ±0.15°; 5. 16 groups ... pipe-bending information storage, all angles work forms a coherent whole; ... and out, saving much time; 7. Suitable for bending steel pipe, stainless steel pipe, copper pipe, aluminum pipe, etc; 8. Can install auxiliary push die, low returning ...