0.3-0.6 mm Galvanized Sheet Flexible Duct Connector Machine
توضیحات محصول
Flexible Duct Connector Roll Forming Production Line Manufactured by Dongguang Hengfu Roll Forming Machine Co., Ltd. This flexible duct connector production line is dedicated automatic equipment for manufacturing HVAC flexible duct connectors — the flexible joints widely used between air duct sections, ventilation systems, and building services. It combines galvanized steel edge strips with fire-retardant fabric into one finished flexible connector through a continuous