... Line, Straw Board Production Line, Straw Door Production Line, Wall Board (Sandwich Board) Production Line, Vent-pipe Board ... ), Fire-resistant Decorating Board, Straw Board, Straw Door, wall board(Sandwich Board), vent-pipe board and Roof Tile.1 ... are purchased easily for customers.The cost per door is 75 Yuan, and the market price is ... easy production technology and once formation. Straw Door Machine