Material：

Galvanized steel Plate (g)

Stainless steel plate (s)

Size：

∮75mm ~1200mm

Standard LENGTH:

1.22m (4 ' material) 1.52m (5 ' material) 1.83m (6 ')

Characteristics：

The longitudinal joint is formed after the first flattening, and then by the rolling machine.

Nice appearance and good air tightness.