Huahai PU Foam Air Duct Panel Producting Line (HH-MC) Tengzhou City Huahai New Thermal Insulation Material Co., Ltd. Base Info Model NO.:HH-MCAutomation:AutomaticTrademark:HuahaiOrigin:ChinaHS Code:84778000 Description Pre:Automatic Air Duct Production Line Machine (HHMC) Next:High Efficiency Single Shaft Shredder