Shanda is a China specialized manufacturer exporting noise barrier materials for highway and other uses. As expert producer in this line, we take full consideration of express way and subway&＃39;s wind load, transportation traffic&＃39;s striking security and all days&＃39; chemical proof in the open air in designing and producing sound insulation panels and barriers for our customers. Shanda noise barrier offers the following features:1, Light transmissionThe light transmission reaches 12%-82% depending upon color and thickness.2, UA-ProtectionAttributing to the proprietary UV surfaces. Remain perfect mechanical and optical properties after exposed to the extreme weather for a long time.3, Thermal insulationProprietary hollow from contributes to reduce the energy consumption and therefore energy costs.4, Fire retardancyAccording to GB8624-1997 the fire retardant classification of polygala project sun sheet is B1.5, Sound insulationThe hollow from and polycarbonate resin offer significant advantage to the sound insulation.6, Weather AbilityIt has good weather ability can maintain excellent properties in a wide temperature range from -40Cto 120C.7,Easy installationEasy installation can be cold bent.