Shelving device for supermarket and configured to receive articles to display for sale, comprising a base, a back frame extending from said base, at least one of said base and back frame being configured to receive at least one fixed shelf overhanging said base, and at least one moveable shelf mounted on said base and/or on said back frame and having an inserted position in which said at least one moveable shelf is close to said back frame and a deployed position in which said at least one moveable shelf is remote to said back frame, wherein said at least one moveable shelf comprises a support plate configured to display articles and a moving system configured to displace said support plate between said inserted and deployed positions, said moving system being further configured to place said support plate at a first predetermined height relative to said base when said support plate is in said inserted position and to place said support plate at a second predetermined height relative to said base when said support plate is in said deployed position, said first predetermined height being different from said second predetermined height; wherein said moving system comprises a support frame having at least two horizontal beams (45, 46) mounted on said base and/or on said back frame, and at least two moveable arms (48, 49) each having a first end (50, 51) pivotally attached to one of said two horizontal beams (45, 46) and a second end (52; 53) opposite to said first end (50; 51) and pivotally attached to said support plate, said two horizontal beams (45, 46) being spaced apart and substantially parallel; wherein said support frame has at least one supplementary beam, similar to said two horizontal beams (45, 46), mounted on said base and/or on said back frame; and said moving system comprises at least one actuator having a first end pivotally attached to at least one of said moveable arms and a second end opposite to said first end and pivotally attached to said at least one supplementary beam; wherein said first end of said at least one actuator is pivotally attached to a finger which protrudes from said first end of said moveable arm; wherein said support frame has a general shape of a casing which defines a receiving space and said at least one moveable shelf is introduced into said receiving space in its inserted position and said at least one moveable shelf is at least partially remote to said receiving space in its deployed position; and said support frame comprises on either side of the receiving space, two subframes having each two vertical beams (43, 44), which are opposite, said two horizontal beams (45, 46), which are opposite, and said supplementary beam, one of the vertical beams is fastened, directly or thanks to an interface, to the back frame, the two horizontal beams and the supplementary beam are each mounted both on the vertical beams (43,44) and the two vertical beams (43,44) are also spaced apart, substantially parallel, by the two horizontal beams (45,46) each of which being sandwiched between the two vertical beams (43,44) while one of the two horizontal beams is located between the other of the two horizontal beams (45,46) and the supplementary beam; and wherein said at least one moveable shelf is located at a top of said shelving device and said first predetermined height is bigger than said second predetermined height.