No beam without purlin, wide open space, spanning capability, span 6-32 meters.

Low cost, low investment, economic benefits.

The design construction period is short, 10000m2 roof building can be completed in 20 days.

Color galvanized steel plate, mechanical lock edge connection, natural waterproof, no leakage.

Good-looking, rugged and unmaintainable.

Light weight, the overall construction science is reasonable, the anti-wind resistance is excellent.

Wind resistant to snow, can withstand 160km/n strong wind, can withstand 148kg/m2 snow load.

Beautiful, colorful, fresh and rhythmic. A rich variety of roofing forms, giving buildings a new look.

Functional qi, roof board and beam in one, set insulation (using polyurethane spray), heat insulation, ventilation, daylighting and other functions.