I refer to our letter dated June 15, 2016 asking for payment of the overdue balance of ฿ 69,900.99
we regret that we have not yet received your remittance.
Kindly take note that our profit on this transaction is too small to admit of such a long credit.
Only prompt settlement will help us to give you preferential treatment and special concession,
and herein request you to let us have your remittance without further delay