Customizable Sizes and Materials: Available in custom sizes and materials like galvanized steel or stainless steel based on drawings.
No External Power Required: Automatic operation opens with fan flow and closes to prevent backflow without external power.
Tight Sealing and Durable: Features durable construction with tight sealing for effective air flow control and backflow prevention.
ISO9001 Certified Quality: Manufactured under ISO9001 Quality Management System ensuring stable product quality and reliability.
Versatile Application Scenarios: Ideal for commercial buildings, industrial workshops, basements, and fire safety projects.
OEM and ODM Services: Offers flexible customization options including full, minor, and design-based customization.
100% Finished Product Inspection: Every product undergoes visual and function inspection before delivery to ensure quality.
Multiple Payment Methods: Supports LC, T/T, D/P, PayPal, Western Union, and online MIC platform payments.