Rectangular air duct making machine - pittsburgh lock forming & seam closing machine for 0.5-1.0mm galvanized sheet HVAC.
Please contact us if any interesting ~
williams@predamachine.com
william@predamachine.com
max@predamachine.com
+86 18949635681 (Wechat & Whatsapp)
Anhui Preda Machinery Manufacturing Co., Ltd