Advantage:                                                                                                            

1.Track made of 20*20 square steel galvanizes surface to make sure no rust.
2.Transmission mechanism by using 428 type motorcycle chains and precision plane bearings, runs flexible and smooth.
3.layers is also free to be adjusted according to need.
4.Each column of the contact surface has a buffer and sealing device,
5.the top plate and bottom devices are dustproof, ratproof, moistureproof and fireguard.

  The mobile rack can systematically manage archive files, books, and articles, and is easy to be divided into categories. The access is quick and convenient, and the work efficiency is greatly improved. The number of columns can be increased from 2 columns to 10 columns or more. Only one aisle is needed, and the space utilization rate is very high. high. Compared with a fixed storage cabinet, the same storage capacity requires only 1/3 of the space.