Since most of the later sections of our company are delivered by express, our company calculates the weight according to the cumulative addition method of single box accounting. For example, the first box is 10.3kg, the second box is 9.4kg, and the third box is 14.3kg, then our settlement weight is 10.3 + 9.4 + 14.3 = 34kg, and all volume weights of our company are calculated by dividing 6000.