All kinds of polycrystalline silicon 1 native, single polycrystalline edge of the skin, head and tail material, pot material, re-pull rods and other material 2 solar cells, broken cells, the proliferation of film, die, IC polished, lithographic sheet, Blue diaphragm 3 single-polysilicon sheet, P / N-type silicon broken, dirty silicon, P / N-type die, four broken all kinds of heavily doped silicon material, silica fume, downgrading the components, assemblies and other scrap waste Silver 5, rub silver cloth, silver cloth and other waste containing silver