auto duct making machine high precision variety of
Auto duct line, spiral tubeformer and relavant duct machines. Simplified upper dies clamp with micro-adjustable wedges for high precision. ... We manufactured and exported auto duct lines, CNC plasma cutting machine, TDF flange forming machine, pittsburgh lock forming machine, spiral duct forming machine, elbow making machines, TDC flange forming machine, oval duct forming machine …
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