Galvanized steel strip/coil
Galvanized steel belt/strip for prestressed steel duct Galvanized steel belt is made from general steel belt, after acid picking, galvanization, packing etc. it is widely used because of its good anti-corrosion property. And it is...

Galvanized Oval duct making machine
galvanized duct making machine/plant, for making round duct, flat duct, oval duct, rectangle duct etc.

Post Tension Steel Duct
post tension duct is used for concrete construction

Flat spiral corrugated duct for post tention
spiral sorrugated duct has two shape, round and flat, both for post tention

metal spiral corrugated duct
metal spiral corrugated duct is mainly for post tension use. we can make diameter from 40mm-160mm, thickness from 0.2mm-0.6mm.

spiral duct machine
Duct machine makes 40mm-160mm prestressed spiral steel duct, with thickness 0.2-0.6mm.