0.4-1.2mm Galvanized Steel 70mm Octagonal Pipe Tube Roll Forming Machine Industrial Warehouse Roller Shutter Door Accessories

This octagonal tube roll forming machine is specially engineered to produce 70 mm diameter octagonal steel tubes for roller shutter door spindles, processing galvanized steel material within 0.4‑1.2 mm thickness. The whole line consists of decoiler, roll forming host, cutting unit, and it can work inline with Yangli J45 punching press machine to realize synchronous forming and hole‑punching. Multiple groups of forming rollers adopt high‑quality alloy material, ensuring smooth