... and dimensional stability, is an ideal equivalent material for copper-based spring pad and for copper and its alloys, such as ... .5, low cost of raw materials , approximately 2/3 reduction) it is based on zinc.with small added element. 6, bright and clean ... spray materials of film capacitor and thermal-spray materials.Mmanagement system ISO 9001-2000,IS014001-2004 and OHSAS18001. Brief Introduction: A ...