Materials: Low-carbon steel plate, aluminum sheet, stainless steel plate, aluminum magnesium alloy board, copper plate, nickel board.

Shape of hole: Length hole, square hole, round hole, hexagonal hole, scale hole, tension heterotypic hole, etc.

Using: Used in ceiling, wall plate absorption material, available in building staircase, balcony, environmental protection fine decoration orifice. Also in mechanical device safety mask, the magnificent sound box covers, and so on.