Material: any sheet material or belt materials such as stainless steel, brass, steel, iron, nickel, alloy etc.
    Shape: long square hole, square hole, round hole, triangle hole, hexagonal hole, the plum blossom hole and other different kinds of hole.
    Producing process:
    Feeding--etching1 --etching 2-- recycle water washing--urban water washing→ bolt up→ check→ soak→ spraying stripping → recycle water washing→ urban water washing→ bolt up→ hot air drying→ discharge.
    Feature: light weight, skid prevention and artistic, etc.
    Uses: used to civil construction, mechanical device protection, handicraft manufacture, upscale sound hardcover and grain ventilates.