... fan-shaped tube, polygonal tube, single and double groove pipe, tube frame 1. Roller and mould for round pipe, square pipe, shaped ... tolerance. 3. With CNC machine.1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped ... tube, fan-shaped tube, polygonal tube, single and double groove pipe, tube frame, special-shaped mould, etc.3. Specification range for ...