According to the way of stocking shelves: cantilever shelf, cabinet shelf, shed board shelf.
According to the structure of the shelf divided into a combination of removable shelf, fixed shelf.
It is divided into unit shelf, general shelf, flow shelf, through - through shelf.
According to the shelf height: low shelf: the height is below 5 meters; Middle shelf: height at 5-15 meters; High shelf: height above 15 m.
According to the weight of shelves: heavy shelves: each shelf carrying weight of more than 500 kg; Medium shelf: 150-500kg/shelf; Light shelf: each shelf can carry less than 150 kg.