กล่องเครื่องมือตัดท่อแบบมีฉนวนหุ้ม

In modern HVAC engineering, PIR (Polyisocyanurate), PU (Polyurethane), and phenolic pre-insulated duct panels have become mainstream choices due to their lightweight structure and excellent thermal insulation performance. However, to achieve airtight joints and a professional finish, a standardized set of fabrication tools is essential. Today, we take an in-depth look at the GFI HVAC Pre-Insulated […]