steel crown iron skirt piston
Detailed Product Description
Procedure: enforce special procedure guarantee ability. Central troughof high-frequency quenching and central quenching tank used CNC lasertechnology. Steel top, bolts, aluminum skirts are the United States EPSON heattreatment equipments. Strictly control iron casting process with every castingheat and heating to be inspected. Consider about piston skirt safetyrequirement aspect, we have relevant strict evaluation standards for differentstress area.