Application:  The products are widely used in coal mines, metallurgy, machinery, ports, construction, electricity, chemistry, food packing and other industries   Our Advantage: 1. Brand: SPD 2, High accurate steel material Q235  3, Lift time: more than 30000hours.  3, Production capacity: as usual 50pieces/day.  4. Roller Diameter: 76-219mm.  5. Roller Length: 190mm to 3500mm.  6. Finish: Painting/Galvanized.  7. Welding: mixed gas shielded arc welding end.  8. Professional designing and inspection team.  9. Standard: GB/ISO/BS/JIS/DIN//CEMA/Australia 10, Package: Standard sales packing and export standard plywood cases with waterproofing film.