our company is engaged in building material. we main produce kinds of gypsum board and gypsum board production line. we promise all product we produce is green environmental production and resource conservation.in addition, we can produce many gypsum board production line,which can produce 2-20million square meter per year gypsum board with paper surface.production line include automatic and semi-automatic.if you are interested in them.please contact me.i think you must find goods you want in our factory.