
Heavy Duty Industrial Smoke Exhaust Fan for Buildings. Rapid Smoke Exhaust: Discharges high-temperature toxic smoke rapidly during fires for safe evacuation. Durable Construction: Carbon steel outer cylinder, inner cylinder, and steel impeller ensure high-temperature resistance. Customizable Models: Available for high-rises, underground garages, malls, and industrial warehouses. Strict Safety Compliance: Meets strict fire safety standards with CCC certification. Low Maintenance: Reliable design ensures minimal maintenance requirements. Full Customization: Supports customization from samples, designs, and flexible requirements. OEM/ODM Service: Manufacturer offers both OEM and ODM services for tailored solutions. ISO Certified Quality: ISO9001, ISO14001, and ISO45001 certified with 100% finished product inspection.