Please note that MIZON revised Form AK as 601.99 kg yesterday already.
But correcting export certification & B/L as you want was not accepted in Korea.
So here is a solution to solve this problem.
It is that issuing 2 B/L and 2 export certification .
One B/L & export certi say 601.99 kg and From AK is also 601.99 kg
another B/L & export certi say 0.49 kg for the 80pcs as no commercial value.