Dear Mr.Varit,
The B/L was confirmed before the ship started form China.So,we can only ask the shipping agent don't plus other item and charge according the B/L.
If you need to reduce the standard charge in the next batch, you can let me know ahead of time.We can pay the reduced sum at our side, but we'll add this loss in the spare parts offer. We promise don't supply you expensive products, but we can't bear loss supply.
Hope you can understand us.
Again very sorry for the mistakes of the shipping agent made.
Best regards,
Martin