... : It can be used as roof panel of workshop, factory, prefabricated home, storage, villa and so on4.Advantages: Energy ... bricks, air bricks, color-coated steel sandwich boards, gypsum blocks, wire spatial grid structure perlite boards, and perlite porous ... Contact details:Contact Person: Mr. EdwardCompany Name: Weifang Huahong Steel Structure Engineering Co., Ltd.Country/Territory: China (Mainland)Add: ...