... 3. stable, well use Φ12-Φ50 soft PVC glass-fiber pipe production line 1. Auto plastic ... tempering treatment, and precision processed.2) From φ12mm, φ14mm, φ16mm, φ20mm, φ25mm, φ32mm, φ38mm, φ45mm, φ50mm ... :38CrMoALA 9) Special designed screw for soft PVC 10) Ni cover thickness:0.5~0.7mm ... tempering treatment, and precision processed.2) From φ12mm, φ14mm, φ16mm, φ20mm, φ25mm, φ32mm, φ38mm, φ45mm, φ50mm 11 ...