... pipe, tube frame 1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Precise with ... only 0.05mm tolerance. 3. With CNC machine. 4. Pipe mould: steel tube, plum tube, flat tube, oval tube, fan-shaped tube ... produce first-class pipe mould, we must have first-class raw material. We choose hign-quality tool steel Cr12mov as raw materials ...