LDK Solar signs 11-year agreement for processing of solar-grade silicon for Q-Cells, coupled with MOU for up to 5 GW in additional wafer supplies (LDK) 40.71 : Co announces that it has signed an 11-year processing service agreement to process upgraded metallurgical grade solar-grade silicon provided by Q-Cells AG into wafers. Under the terms of the agreement, LDK Solar will process a minimum of 20,000 metric tons of UMG solar-grade silicon in the years 2008-2018, with an option to process an additional 21,000 metric tons during the same period. The processing service agreement is linked to a Memorandum of Understanding between the parties for LDK Solar to supply Q-Cells with up to five giga watts of multicrystalline solar wafers via a "take or pay" contract for the ten-year period between 2009-2018.