A stationery item used to protect documents.Inside pages are typically 20, 30, 40, 50 pages, with single pockets and double pockets.The size of the brochure is generally A4, but also B5.Cover is generally PP, plus a variety of printing patterns.There is a built-in information card in the middle, which can be handwritten notes.General use in schools and offices
The dust protection cover made by Timing Company is equipped with a wear-resistant slide device, and the movement of the cover is lighter, which can reduce the friction and improve the mechanical accuracy.
The cover is equipped with a cushion, and the noise is reduced by more than 70%; while the general machinery will generate iron accumulation due to the stroke limitation. The company adopts a wing-type structure design on the dust-proof cover, which can solve the problem of unbalanced operation caused by the declination of the telescopic cover. In addition, the Z-axis telescopic cover is equipped with two guide rails, and it is covered, so it does not lean forward and is easy to install. It can prevent the iron filings from penetrating into the track and the ball guide rods. The expansion gap of the cover is average and the damage rate can be reduced. Improve mechanical properties and practicality. 
Display Books,Plastic Display Book,Solid Cover Display Book,Display Clear Book
shaoxing chaofeng stationery manufacturing CO.,LTD. , https://www.chaofengstationery.com