Description:
1) Spiral tube former for producing spiral round ventilation ducts, with diameter ranging from 80 to 1,600mm 2) Spiral oval tube former for producing spiral oval ventilation ducts 3) Spiral paper core / tube forming machine 4) Spiral corrugated steelpipe making machine for producing post-tensions pipes / tubes used in road and bridge construction 5) Spiral flexible hose making machine for producing flexible hose 6) Annular corrugated flexible pipe / hosemachine 7) Spiral steeltubeweldingmachine producing spiral steeltube from 60mm to 3,000mm 8) Straight steeltubeweldingmachine producing straight steeltube from 10mm to 610mm