Machinery, Industrial Parts & Tools HomeProductsMachinery, Industrial Parts & Tools Inquiry Save to Favorites GO :::::Sort::::: Name Date Added Popular ↑ ↓ SPIRAL DUCT - This is very thinner and lighter than other products and so it saves not only material cost but also accessories and extra cost. - Exterior ribs of straight pipe allow higher strength and longer lifetime. - Connection and attachment are easy and because all parts are made in same factory, they shorten work period. - Person not professional can install and because there is no limit to length for work, it can be installed with free adjustment. - Smooth and fine inner side has superiority in efficiency of friction loss and wind... Read More Inquiry Now Machinery, Industrial Parts & Tools Made in Korea Other Manufacturing & Processing Machinery Made in Korea SPIRAL DUCT Made in Korea TDF MECHANICAL DUCT As our main product of a rectangular galvanized duct, it is completed mechanically through all automated processes. And it has better shape than the existing manually-manufactured product and is completely airtight. It can be manufactured as a P. V. C. duct, a color duct and a SUS duct as well as a galvanized duct type. And recently a galavalume duct has been increased, which is more durable than a GI(galvanized)... Read More Inquiry Now Machinery, Industrial Parts & Tools Made in Korea Other Manufacturing & Processing Machinery Made in Korea TDF MECHANICAL DUCT Made in Korea