... mm 4.Use: machinery, automobile, industrial parts 1.Description: Sheet metal stamping parts2.Material: ... steel)3.Specification: 30mm * 156 mm , the thickness is 1.5mm.4.Surface treatment: Powder ... parts , automobile, industrial , furnitureOur factory specializes in manufacturing sheet metal parts, stamping parts, mechanical parts, plastic products, molds and other complete sets of products. There are a ...