Purchase Qty. Reference FOB Price
1-9 Pieces US$8,900.00
10+ Pieces US$8,800.00
Product Description
Automatic Spiral Ducting Machine Spiral Bite Seam Thin Wall Ducts Product Description Spiral duct machine, is a machine for producing spiral duct. Spiral duct, also known as spiral bite seam thin-walled pipe, is made of metal strip rolled into a spiral bite seam thin-walled pipe, round, no ...