GFI黑色PIR预绝缘风管安装完成
GFI recently completed the on-site installation of a large-scale overseas tent structure project. They installed the entire ventilation duct system with black PIR pre-insulated duct panels and received high praise from the client. This project serves as yet another flagship example of our company’s service to overseas markets. Advantages of Black PIR Pre-insulated HVAC Air Duct Panels […]


