... ,low price, stable work PVC solid sheet making machinerythere are two kinds of PVC foam board, one is produce by three ... for Advertising - signs, displays, pop-up displays, exhibition boards,its two side surface is roughtly , not as refined as "celuca" board.anotherPVC ... "vacuum forming technology, it has a very hard and smoothly two surface . it main use in inner door decoration, furnature and ...