Place of Origin:Shandong, China Brand Name:Warren Model Number:Engineer Series Frame Material:Aluminum Alloy Opening Pattern:Horizontal Screen Netting Material:FiberGlass Warranty:More than 5 years Material:Aluminum Feature:Folding Screen Open Style:Sliding Function:Soundproof After-sale Service:Return and Replacement, Onsite Inspection, Online technical support, Onsite Training, Onsite Installation, Free spare parts Project...