supply of heavy duty shelving systemheavy duty shelving system,heavy duty shelving system no of loading levels-5, upright height- 4500mm , width of the unit-23 10 mm (clear), depth of the unit - 1000 mm,load perlevel- 2000 kg udl(uniformly distributed load), no. of uni ts per set - type a- 03 (main unit- 01, add-on unit-02). we have considered 4 row guards as safety accessor ies. the manufacturer hould have iso 9001:2015, iso 14000: 2015, iso 45001: 2018 certification for design, m anufacture,delivery & installation , of material storage facilities like storage racks, storage shelves,storage pa llets, shopfloor storage products for industrial & institutional requirements. [ warranty period: 36 months after the date of delivery ] ] => limited