Aluminum assembly

An aluminum assembly, comprising a plurality of aluminium members, wherein

• each aluminium member comprises a first coupling element and a second coupling element are respectively provided along the aluminium member's two edges;
• the first coupling element comprises a first groove section and a first protrusion, both extended laterally from a first edge of the aluminium member;
• the first groove section comprises a first lateral piece, a first fastener, and a second fastener, with the first and second fasteners protruding from and perpendicularly to the first lateral piece adjacent to an outer edge of the first lateral piece;
• the first fastener is farther away from the aluminium member with a fixed distance between the first and second fasteners;
• a fixed interval is preserved between the first protrusion and the second fastener;
• the first protrusion comprises a first step and a second step, with the first step being closer to the first groove section;
• the second coupling element comprises a second groove section and a second protrusion, both extended laterally from a second edge of the aluminium member;
• the second groove section comprises a second lateral piece, a third fastener, and a fourth fastener, with the third and fourth fasteners protruding from and perpendicularly to the second lateral piece adjacent to an outer edge of the second lateral piece;
• the third fastener is farther away from the aluminium member with a fixed distance between the third and fourth fasteners;
• a fixed interval is preserved between the second protrusion and the fourth fastener;
• the second protrusion comprises a third step and a fourth step, with the third step being closer to the second groove section;
• each of the second fastener and the fourth fastener has a cross-sectional shape comprising an outer curve and an inner curve, with the outer curve being closer to the first or third fastener, and the inner curves are concaved away from the aluminum member;
• the first coupling element of a first aluminum member is detachably coupled to the second coupling element of a second aluminum member, thereby constructing the aluminum assembly into various forms;
• a channel is jointly formed by the first and second groove sections of the first aluminum member and the second aluminum member, which is bounded by the first and second lateral pieces and the inner curves of the second and fourth fasteners;
• and
• the channel allows a pin member to plug in so that the first and second aluminum members are reliably coupled together.