paper faced gypsum board is mainly made of construction plaster and protective paper,mixing with fiber,modified starch ,coagulant agent,vesicant and water.which are mixed ,formed ,coagulated,cut,dryed and sliced into light construction material.theu have advantages of light weight ,fire resistance,soundproof ,damp proof ,heat insulation,easy to operate and disassemble. it's widely applied in industrial and civil constructions,especially widely used as interior wall,less loading wall ,cieling etc in high buildings.