This RELIANCE closed type box beam roll forming machine is specially designed for manufacturing high-precision closed box beam profiles with a thickness of 1.4~1.6mm. It supports fully automatic feeding, continuous roll forming, fixed-length cutting and batch production. Adopting CNC precision processed rollers with hard chrome coating and heat-treated high-hardness cutting blades, the machine ensures stable operation, smooth profile surface and high dimensional accuracy. Equipped with a complete hydraulic cooling system and PLC servo control system, it realizes long-time non-stop working and low failure rate. Custom OEM and ODM services are available to meet various steel structure frame manufacturing requirements.