The production is used widely for building,decorating ,advertisement laying,road noise isolation and packing .PP hollow profile board can instead of carton which have feature like light weight,high strengthen,moisture-proof,antisepsis. Width of board is 1220-3000mm and thickness is 4-40mm. APPLICATION Construction of sunroof in buildings ,halls, shopping center ,stadium ,public places of entertainment and public facility. Ring shield of bus stations ,garages, pergolas, corridors. Transparent shields for security forces in nursery schools airports, factories. PP hollow cross section plate is light and high strength ,moistureproof good environmental protection and refabrication perfor mance. Can be processed into the reusable container,packing case, clapboard ,backing plate ,and culet.