treatment methods:  1) All live materials are arranged in shells one at a brush factory  2) Open the shell, take the meat of deer and adductors to  3) Wash with `purified sea water, remove the admixtures  4) rapidly frozen by the IQF machine  5) Collect grades: 20/30 30/40, 40 / 60pcs/kg  6) the extent of weight  7) `icing by freshwater and Packaging    pack:  10kg/ctn