HVAC auto duct line 3/square duct processing machine/high-quality ventilation pipe former


Nanjing Shanduan CNC Machine Tool Co., Ltd is one of the Top 3 press brake and shearing machine in China, which specializing in manufacturing and marketing of press brake,shearing machine,press machine, square duct production line LINE5,4,3,2,1;spiral duct machine, locking forming machine;folding machine,plasma cutting machine, power press,ironworker,hydraulic notching machine, beading machine,flange forming machine,shearing machine & press brake,Blade/Mold, etc.