Roller with sprocket, used in drywall drying room, material is 45# steel +20# steel, roller diameter 70MM, length 2300MM. We can guarantee that its circle bounce is within 0.5MM. And after full inspection delivery.
Steel structure beam, material Q355D, using shot blasting spray paint process to ensure corrosion resistance in the atmosphere. Profile sections can be customized according to customer requirements. Use location: subway, mine, wharf, etc.