Tấm ốp ống dẫn khí cách nhiệt sẵn GFI PIR: Quy trình sản xuất một bước
GFI PIR pre-insulated duct boards integrate insulation and duct structure into a single panel, eliminating the need for on-site insulation. This solution improves installation efficiency, energy performance, and long-term reliability for modern HVAC systems.











