In April 2023, through a factory recommendation for air duct machine equipment, I got to know this factory from Vietnam. The customer’s factory mainly focuses on ventilation system and exhaust fans, and now expands its business scope, aiming at the field of steel wire -aluminum pet foil flexible air duct. Yes, steel wire- aluminum pet foil flexible duct is widely used. Ventilation ducts for large public places. These steel wire-aluminum pet foil air flexible duct are made of aluminum pet foil and steel wire,sticky by water based glue. When the customer purchased the air duct manufacturing machine, he also purchased 1 ton of single-sided aluminum pet foil (A-PET) and 200kg water-based glue. In order to facilitate export, we sent the single side aluminum PET foil and water-based glue to the air duct equipment factory and shipped them to Vietnam together with their machine and accessories. After several months of debugging, the customer’s machine has been running normally, and he is also very satisfied with our aluminum pet foil and service Our delivery is very