HAVC system production line (2) HAVC system production line (6) HAVC system production line (9) 1 / 3 Main functions of stainless steel U-shaped five-wire: 0.5-1.5mm galvanized plate, 0.5-1.2mm stainless steel (304 or national standard 201) common plate flange duct, angle steel flange duct Shearing plate thickness: 2.0mm galvanized plate (excluding pressure ribs, punching, and...