Aluminum Alloy Yilabao what is the difference between shelf and steel Yilabao shelf?
We all know that aluminum, not wearing the ring, Aluminum Alloy Yi Labao base shelf in spring with high strength spring, can be reused, the shelf material selection of reinforced aluminum, not easy to change. Shelves can be reused for a long time.
Yilabao with self return spring, make the canvas automatic winding. Therefore, the cylinder to stress, the strength of aluminum alloy, Belgium plastic steel better. A much longer service life. And the aluminum alloy should be more beautiful
Aluminum Alloy Yilabao suggests that the shelf is an aluminum Yilabao
Ordinary Yilabao also called steel Yilabao, also called a one-time Yilabao, his shelf is steel. It is easy to damage, if the transport is not met or pressure to infiltration may cause damage, a spring inside the base shelf is the general, repeated several times after pulling away, the spring will not loose, resulting in unable to charge or picture.
