... board, cold and hot steel board,copperplate and fiberboard,plastic board and so on. Materail:stainless steel board, aluminum ... , cold and hot steel board,copperplate and fiberboard, plastic board and so on.Uses:be used to civil ... :long square hole, square hole, round hole,triangle hole, hexagonal hole, the plum blossom hole, ichthyosisthe hole , scale hole and other different kinds of hole,The company ...