fiberglass panel: 1.light weight with stiffness strength ratio ; 2energy absorption ... manufacturer,main products are PP honeycomb,PC honeycomb, fiberglass panel,non-woven roving fiberglass PP honeycomb composite board,PC sheet ,PC ... architectural,port, bridge, recreation, partition parts,ceiling, floor,wall, in this application, honeycomb can speed project process, dampen sound pollution, save energy ...