Features: 1) Special for multi-function auditoria, command centers, home theaters and outdoor projection 2) Can be MW or GB fabrics 3) Easy to assemble 4) Stable quality 5) Reasonable price 6) Aluminium frame 7) Can supply various ratio screens, such as 4 : 3 and 16 : 9 8) Can supply various sizes, such as 91 x 122cm, 110 x 145, 127 x 170, 152 x 203, 183 x 244, 114 x 203, 132 x 234, 147 x 264, 165 x 295 and 198 x 353cm