Guangzhou Hecheng Tiangong Machine Manufacturing Co., Ltd(GZHCH)is one of the oldest duct machine manufacturer in China.
We have engaged in designing and manufacturing duct machines by ourselves for over 30 years. Now our workshop covers more than 30,000 square metres and equips with over 200 sets of processing equipments. We got ISO9001:2008 and CE certification. Our products have been exported to nearly 100 countries in the rest of...
Duct line HCH-VII is one of our latest coil line. With U-shaped structure, occupies a small area, greatly reduces the transfer time of sheet metal, high efficiency, take only 20~23 seconds for each "L" shape, and daily processing capacity can reach 800-2500 suqare meters..
Rectangular Duct Forming Machine
This type also uses the tube moulds. One mould corresponds to one size of pipe. The steel mould, with high hardness and durability than aluminum mould, helps reliably form. It uses high-speed round saw-cutting device.
Round Duct Forming Machine
Fire Damper Frame Production Line is a fully automatic production line controlled by PLC computer system, including material holder, leveling, punching, rolling and bending. The fastest linear speed is 10m/min. It can input various specifications at the same time. It can not only make the "mouth" type, but also complete various shapes such as single sheet and L sheet according to the actual situation of customers. It can complete the shaping of common plate flange air valve and angle steel flange air valve, and realize the multi-purpose of one machine.
Fire damper full auto line machine
According to technical requirements from customers, we could specially make the following mechanical equipments: beading, circle rolling and flanging machine for blower crust. It can complete processing once time automatically and accurately.
Special Roll & Spin Forming Machine