reclaim whole wafer from memory chip factory


this wafer is reclaim 11N whole wafer from memory chip factory
normally use for raw material of solar grade wafer for make solar cell by re-melting

sometime re-used for other application after surface treatement by grind, about 3-5 month ago it's very very expansive price but now no more expansive price

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China to cut 15% of PV solar FiT subsidy by 2018

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