Advantages: 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. Item Luoyang yiteng supply library compact shelf mobile filing system Mode no Yt-m-004 Size H2300*w900*d560mm Thickness 0.8-1.5mm cold rolled steel Surface Electrostaic powder coating Warranty 5 years Color Ral color or customized Structure Knock-down Usage Office, school, hotel, hospital, company, factory, and other commercial area. Function Document stroage, office filing cabinet, display cabinet, etc Remark Oem/odm accepted Mobile filing system is frame structure, it consists of base, column, shelf, hanging panel, top panel, guard plate, door plate, transmission mechanism, track, shockprodd device, dustproof and rat device, and other parts. Details of shelf are available to be customized including the type, height, width, the number of layers and rows, etc. Details Bookend. Can be arbitrarily adjusted Up and down to meet various Storage requirements Metal lock. More security and easlier to operation Door plate. Door frame adopts special Groove design, easy to open. Linear slider Be accurate, can eliminate the derailment in the operation process. Cranking bar. Security and easy opertaion Dash-proof adhesive strip. Special-design, no adhesive. Durable and effective in airtightness.