... to disassemble;3)The layer quantity can be freely adjusted;4)The back board can be insteated by ... of customer’s requires ,such us (Thickness of)Layer board:0.5, 06,0.7,0.8,1.0 ... *W1000*H1800mm L1000*W1000*H2000mm 4.Quantity of layer(customized)Adjustment of customer’s requires, such as ... ) Flat back panel shelf, Perforated shelf, arc shape layer shelf, Amercian style shelf, Wire shelf, file shelf, ...