1> suitable for small variety but large quantity stored products, especially for standard goods; 2> high space utilization 3> FIFO/ FILO principle 4> first level pallets can be placed on the floor 5> forklifts operation alongside the aisle 6> assembly freely 7> each aisle consists of several level of pallet support rail. Pallets are placed on pallet support rail one after another; 8> surface treatment: powder coating or galvanized 9> application: warehouse, factory, logistic system, etc. 10> one of the most widely used storage rack 11> OEM order is avaliable