Durable Galvanized Material: Frame and shutters made of thickened hot-dip galvanized sheet with 275g/sqm zinc coating.
Flexible Opening Control: Available in Manual with pulley system or Automatic with motor control.
Customizable Motor Voltage: Standard motor 50HZ/60HZ can be customized as per request.
Easy Wall Installation: Designed with M8 thread mounting holes for convenient wall mounting.
Multi-Application Versatility: Widely used in poultry houses, greenhouses, workshops, and large buildings.
ISO CE CCC Certified: Product meets international safety and quality standards including ISO, CE, and CCC.
Rapid Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.
Professional Manufacturer: Produced by Shandong Yuyun Sanhe Machinery with advanced CNC and laser cutting lines.