... to engine oil anddiesel,indoor and outdoor decoration,production of steel and woodfurniture, grain ventilation, acoustics unit in ... triangle hole. Sturdiness and durability, elegant appearance, a wide range of uses.3. SpecificationCold rolled steel sheetThickness:0.2mm- ... reference.it can be done according to the requests of the customersFactors for quotation1) material2) metal thickness3) Hole ...