Mezzanine racking systems(multi-layer racking, steel mezzanine platform) including stairways, handrails and safety gates, all of which combine to provide a safe, secure and attractive mezzanine floor. Features of mezzanine (multi-layer racking, steel mezzanine platform) : 1). With composite racking structure, 2). Two kinds floor panel for choosing 3). Can be designed into one layer or multi-layers according to actual situation 4). Ensures fullest space utilization 5). Surface: powder coated or galvanized and color optional 6). Parts including: stairways, handrails and safety gates, floor panel and standard accessories; 8). Can be designed according to clients' requirements Packing of mezzanine racking(multi-layer racking, steel mezzanine platform): wrap membrance and paper carton