... , steel net, and other products, and special hole pattern comprising stamping, and the aperture to achieve ... : fromed by stamping; by hole sub: round hole, square hole, diamond hole, elliptical hole, triangle hole. Sturdiness and durability, elegant ... the customersFactors for quotation1) material2) metal thickness3) Hole shape4) Hole arrangement5) Hole size6) Pitch7) Margin8) Open area9) DimensionAbout ...