Shelf system is the main beam type shelves, shelves at the bottom of difference lies in the ground with "three guide to action forklift stacking". Guide by using conventional non equilateral angle steel. Materials handling forklift Limited is dedicated to "three forklift stacking". Three to the forklift stacking along the guide rail. Stacking shelf system is slightly larger than the channel width of pallet width, high density storage requirements can be achieved. At the same time inherits all the advantages of beam rack system, all the materials storage shelves system with optional 100%, forklift can store any pallet. The storage efficiency and fast, storage density is very high, suitable for storage and logistics center for narrow aisle rack system, brings is the production efficiency and cost benefits.