Mason CNC Machinery Co.,Itd is a professional HVAC DUCT Machine manufacturing factory. We professional produce HVAC duct equipment,such as auto line 3, auto line 5 , spiral duct machine, TDF flange machine,Pitsburgh lock forming machine.And we also provide metal industry related equipments,as press brake machine,grooving machine,fiber laser cutting machine,shearing machine,punching machine,rolling machine,welding machine.
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