Roof Ventilation, Smoke Exhaust & Metal Envelope

Daylighting smoke exhaust skylights, streamlined / thin-type roof ventilators and high-end metal envelope systems (aluminium-magnesium-manganese standing seam, titanium-zinc), manufactured by our partner Nantong Wanwei for industrial plants, logistics warehouses and public buildings.

Product Lines

Smoke exhaust skylight

Smoke Exhaust Skylights

Electric, pneumatic and manual roof smoke vents with daylighting glazing — designed for projects specifying EN 12101-2 smoke and heat exhaust requirements.

Streamlined roof ventilator

Roof Ventilators & Ridge Vents

Streamlined, daylighting and thin-type natural ventilators for continuous ridge or spot extraction — no power consumption.

Metal envelope fixing bracket

Metal Envelope Systems

Aluminium-magnesium-manganese standing seam roofing (0.9–1.2 mm typical), titanium-zinc sheets, purlins and fixing brackets — complete ridge-to-eave system. Datasheet on request.

Why Wanwei via Xin'an

1

Project sizing: we calculate opening areas and ventilator counts from your drawings.

2

Electric / pneumatic / manual control options integrate with fire alarm panels.

3

Factory certifications and project references available for tender submission.

Request a Quotation

Send us your project drawings, specifications or BOQ — our engineers reply within 24 hours with a tailored offer. Free samples available for qualified project inquiries.

Get a Quote