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It has four professional factories in China and one overseas factories in Thailand, providing nearly 100 million pieces of electric heating products to the global market every year, and has reached the first place in the industry in many fields, making it a leading enterprise in the field of global electric heating components.

Hydraulic duct lock seaming machine is used to lock 0.3-1.2 mm thickness rectangular HVAC air duct within 1500 mm length. The machine adopts PLC control and hydraulic drive.

The auto duct production line 2 machine can be used to feed material for HVAC duct manufacturer. Meanwhile, it can feed sheet metal for TDF flange.

Electric lock seaming machine can lock square HVAC air duct. The sheet thickness range is 0.3-1.2 millimeters. This machine is small and very easy to operate.

Auto U Shaped Production Line, HVAC Duct Manufacturing Machines | BLKMA

Hydraulic Folding Machine Performance Feature: The hydraulic folding machine is a sheet metal folding machine that makes rectangular HVAC duct. Actually, the hydraulic sheet metal folding machine can be divided into two types, hydraulic TDF flange sheet folding machine and hydraulic flat sheet folding machine. The machine can be used to bend max thickness 2.5 mm TDF sheet plate. For stainless steel, the machine can make max thickness 2 mm.