N/a manufacturer / supplier in China, offering Modular Building Fire and Smoke Exhaust Solution! Our CCC-Certified Axial Flow Fans Support Quick Installation and Have Been Applied in Over 20 Modular Hospital, China′s Axial Flow Exhaust Fan Export Base! CCC-Certified Products Have Passed The Standard Certifications of Many Countries in The Middle East and Southeast as, with 20 Years of Dedication to The Field of Fire Protection and Ventilation, We Are a Core Manufacturer of Axial Flow Exhaust Fans with CCC Certification. We of and so on.