Metal ducts making machine supplier in China

Metal duct making machine has been widely adopted by modern construction, especially used in pre-tension or post-tension for concrete constructions as building materials, such as bridge construction, railway and highway construction, buildings and channel construction, etc. Metal bellows molding machine is the special equipment which manufactures the metal bellow for Prestressing concrete, makes the galvanized steel strip coil into double wave shape then undercuts and swages to apply the bellows.

Metal ducts making machine can produce all kinds of metal ducts such as inner diameter of 30mm, 40mm, 50mm, 40mm, 80mm, 90mm, 110mm to 140mm.

We are professional metal duct making machine supplier. Our duct making machine have been bought for many countries, and customers are satisfied with our ducts making machine. If you are interested in our duct forming machine, before we send quotation, please tell me your required inner diameter and outer diameter so I can recommend you suitable equipment.