... -shaped tube, polygonal tube, single and double groove pipe, tube frame 1. Roller and mould for round pipe, square pipe, shaped ... pipe, etc. 2. Precise with only 0.05mm tolerance. 3. With CNC machine.1. Description: Roller and mould, welded pipe ... , polygonal tube, single and double groove pipe, tube frame, special-shaped mould, etc.3. Specification range for round pipe: 5-325mm.4 ...