Comifo Duct Manufacture Machine Co., Ltd. specializes in manufacture of high-tech machinery such as roll forming lines, duct manufacturing auto lines, TDF TDC flange forming machines, mate flange forming machines (transverse flange forming machines), Pittsburgh Lock Formers, sheet metal roll formers, tube forming machines, cut to length lines, coil lines, elbow making machines, U purlin roll forming machines, duct seaming machines, spiral tube forming machines, and Plasma Cutting Machines.There are experienced administrative personnel and capable innovative research and design professionals in COMIFO. All the products are designed with Auto CAD. Roll forming machines are designed with COPRA software of German data M software. In automatic control field, our duct manufacture control software is both easy operation and low tolerance. The machine has realized remote debugging and internet technical support, among which we got the CE certificate admittedly. Besides providing standard machines, we can design the machine in accordance with customers' requirements. Just offer us your part sample or drawing, we can satisfy you with "rest easy service". For after sales service, we guarantee one year maintenance. We also provide training courses for operators.