... The products introduction as following:1, products name:Stainless steel hinge2, Material:Stainless steel, copper, aluminum, iron3, Surface treatment:Electroplating ... hinges, long doors and accessorize box hinges, metal mail box hinges, vehicle doors hinges, and ... hinge, AA column, aluminum ladder column, stainless steel ladder column, stainless steel bracket. Carrying large stocks with great quality ...