1. Top level cold rolled steel, have 100% recycling and regeneration characteristics. 2. knock down structur and easy assemble that can be finished in 6-8 mins. 3. high quality coating, make a clean and health environment. 4. different dimension, colohandles and lock ar available. 5. professional export package to ensure safe transportation. 6. Sample is available to provided 7. Adjustable shelves.