Dear Khun Bruno,
I think that your stock may be lost 17 tons from missing production,however can you check first whether or not this is correct and adjust later on.
Perhaps we could discuss together.
You would be convenient if we will meet you tomorrow on afternoon to discuss together and to prepare information before visit of Revenue Department o 24-25 June.
Could you please let me know for your convenient time then I will make an appointment to your calendar ?