... main products: spiral tube forming machine, flexible duct forming machine, auto roof forming machine, riveting machine, Pittsburgh seam lock machine. Hydraulic section steel bending machine, metal sheet flange forming machine, TDF hydraulic ... :Building D,299 Tangming Road,Lita Hui,Songjiang District,Shanghai,China Fax:+86-21-57841819Tel:+86-21-57842040Phone:+86-13817091187 Oval Tube forming machine