शेल्फ कॉलम के लिए बॉक्स बीम स्टील रोल बनाने की मशीन
Box beam steel roll forming machine for shelf column is developed to produce the beam which is fixed between the upright racks. It normally has two types: 1) both C beams are roll formed on a roll forming machine then seamed in a combined roll former to get a box beam; 2) one beam is formed on a roll forming machine directly to get a box beam.










