(EnergyAsia, November 12, Wednesday) — Japan’s Hitachi High-Technologies Corporation (HHT) and its affiliates have signed a multi-year agreement to supply high quality 8-inch single crystal silicon ingots to Nanjing city-based solar cell manufacturer China Sunergy. HHT will supply a total volume of 1,472 tons of silicon ingot from September 2008 through the end of 2011,…