... years Main products:anode plate of graphite, heat exchanger, aluminum electrolytic graphiteplates corrosion and non-ferrous metal, chemical industry, ... watertreatment YangJiBan (great) by electrolysis, copper, aluminum,magnesium, calcium, zn, mn, non-ferrous metal electrolysis usingvarious ... , naturallife-span of 3-5 years. Corrosion Foil equipment graphite anode plate