The wholesale quick-frozen corn are divided into two levels

Grade A: the finished product should be full of granules, arranged in order, suitable for old tender, good quick freezing effect, regular ear shape, no curved arc neat incision. The color is consistent, no crystal grain, the color is yellow white. No moldy grain, no insect erosion, no bald tip, no corn root node, no ice coat, no obvious corn whisker, no residual corn leaves, no smell, no other impurities. No more than 3 grains were dropped in vertical row, 2 in horizontal row 5 in whole ear. The anterior threshing can be removed reduced. The number of shriveled kernels of whole ear corn is no more than 5, the number of continuous shriveled kernels is no more than 3.

Grade B: the finished product should be full of granules, arranged in order, suitable for old tender, with good quick freezing effect, regular ear shape, no obvious curved arc neat incision. The color is consistent, no crystal grain, the color is yellow white. No mildew, no insect erosion, no bald tip, no corn root node, no obvious ice coat, no obvious corn whisker, no residual corn leaves, no smell, no other impurities. No more than 3 grains were dropped in vertical row, 2 in horizontal row 8 in whole ear. The anterior threshing can be removed reduced. There are no more than 5 shriveled kernels in whole ear corn, no more than 3 kernels in continuous kernels. (wholesale of frozen corn)