Foshan Ruifeng Machinery ventilation Equipment Factory is a professional production equipment of various duct forming machine, sheet metal forming machine, duct forming machine products are as follows: TDF flange machine, ending grooving machine, pittsburgh lock machine, fold machine, duct manufacture auto-line, plasma cutting machine, there machinery and equipment to meet the TDF and TDC a two-type flange duct systems;sheet metal forming equipment the main products are: Storage support type, such as smallpox keel can also e carried out in accordance with customer design and manufacturing drawings.