metal shelf bracket for belt conveyor: 1, material: mild steel (Q235); 2, Hot dip galvanized; 3, rust resistance. metal shelf bracket for belt conveyor:1, Hot dip galvanized;2, rust resistance treatment;3, idler frame is an important component of a machine.4,According to different requirements of customers, we can produce idler frames by CEMA standard, DIN standard and JIS Standard, etc.Unpainted ...