Every box in each packing box must be able to get. Mechanical property, electrical property and appearance tested by wafer sorting machine. Whole reject must be less than 0.3%. polycrystal wafer Lifetime、Two-way cutting、monocrystal wafer by PL is not included;Lifetime & 3.4 & 3.5 inspection have abnormal situation do bulletin, require suppliers to improve, not as a rejection of the basis.