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We need to purchase large quantity of monocrystalline scrap and polycrystalline material which are caused in the producing of semiconductor, IC, solar goods for our production, including:
1, broken or used single silicon chip: blue ball (IC flake with plastic) , silicon wafer, IC flake.
2, top & tail material, leftover material, pot material and broken ingot which caused in the ingot growing and wafer producing.
3, solar battery scrap which produced by solar (photovoltaic) company.