... 3..add additional fixing equipment, can be use saf Warehouse Shelf features:1.add additional fixing equipment, can be use safety ... . 3. save space and cover less area, 3*4 standards shelf can be deposited dozens dies; 4. simple structure: composed by ... .5. non-standard size are available ,can be made the shelf by load capacity more than 1000KG/each unit.6. drawer ...