High quality boltless shelving: 1.CE certificated 2.Easy to assemble 3.Beam levels are adjustable by 50mm 4.Many sizes high quality boltless shelving: 1.CE certificated 2.easy to assemble 3.Beam levels are adjustable by 50mm 4.many sizes Medium Shelving Racking( storage system, shelve racking) Cut-in composite structure, standard cut-in units, installation and disassemblation is simple and quick, ultra high strength steel panel by continuous punching and rolling, panel width can be composited freely, there is groove in the front of the panel for cut-in tags, space for each layer can be separated freely, the height of each layer can be adjust by pitch 50mm freely. F-type is recognized as the most efficient and versatile mid-duty shelving system. Infinitely adjustable, and offering a wide range of options and components, the system provides a solution to maximize space use in any warehouse configuration while still retaining the prime requirement of optimum product accessibility.