Aluminum truss: light and flexible, safe and reliable, can be assembled at will, easy to disassemble and assemble. It can be divided into three-tube aluminum truss, four-tube aluminum truss and aluminum tube welded truss. Steel truss: the perfect combination of thick tube and thin tube, triangle and quadrilateral, with large stiffness, large span and magnificent shape; Toothed column truss: beautiful appearance, flexible structure, light material, ever-changing shape with different colors of lamps, making the whole booth more beautiful and bright; Ball joint club: 18 hole aluminum ball joint, which can be connected with two kinds of aluminum alloy clubs with diameters of 22mm and 30mm, and the notch of Ф 30 club can also be connected with eight exhibition tools; Plug-in board: the width of plug-in board is1200mm, and its shape is circular or triangular. It is beautiful, light and flexible, which can make the booth transparent and artistic. Aluminum alloy welded truss: light, novel and beautiful, which can be used for various booth shapes; Butterfly truss: it can be widely used in exhibition, disassembly and transportation of different industries; LH series: The perfect combination of straight pipe and inclined pipe can be widely used in all kinds of booths with fully assembled structure, with convenient installation and disassembly and long-span connection. Trusses are widely used in exhibition space ceilings, exhibition walls, exhibition platforms, skeletons, gatehouses and special decorations. It mainly includes steel truss, aluminum truss, open booth truss, plug-in truss, club grid and toothed column truss.