... Layers:4-7. 3. SGS/BV/ISO certificate warehouse storage rack,racking system 1. higher density of the storage. 2 ... following features:1), The most popular and economical racking in warehouse;2), Upright is formed by high-quality cold ... (if available);b), Size of your warehouse;c), Size of the racking (H*W*L);d), How many ... levels of the racking?e), Loading capacity of each level?f), ...