Rack shelf , also known as heavy-duty beams, tray-style shelves, the shelves are usually heavy, as we all know, in a variety of internal storage shelf system of the most widely used and most economical system tray-style shelves. Widely used in manufacturing, third-party logistics and distribution centers and other fields.

JS-Rack shelf diagram
JS-Rack shelf-1	JS-Rack shelf-2
JS-Rack shelf-3	JS-Rack shelf-4